Add benchmark result [pb-e1-sh-h | ipc-2000 | blocks-strips-typed | 27]

2017-11-25 21:36:47 +01:00
parent 39d94c45d0
commit 98283192c6
3 changed files with 379 additions and 0 deletions
--- a/pb-e1-sh-h/ipc-2000_blocks-strips-typed_27.env
+++ b/pb-e1-sh-h/ipc-2000_blocks-strips-typed_27.env
@@ -0,0 +1,41 @@
+command:
+- timeout
+- -m=8000000
+- -t=900
+- python3
+- /home/pluehne/Documents/ASP/plasp-javier/encodings/planner/runplanner.py
+- --domain=/home/pluehne/Documents/ASP/pddl-instances/ipc-2000/domains/blocks-strips-typed/domain.pddl
+- /home/pluehne/Documents/ASP/pddl-instances/ipc-2000/domains/blocks-strips-typed/instances/instance-27.pddl
+- --stats
+- --verbose
+- --print-call
+- -B 0.9
+- --parallel=1
+- --shallow
+- --use-heuristic
+configuration:
+  id: pb-e1-sh-h
+  instanceSets:
+  - lpnmr-easy-instances
+  - lpnmr-hard-instances
+  options:
+  - --stats
+  - --verbose
+  - --print-call
+  - -B 0.9
+  - --parallel=1
+  - --shallow
+  - --use-heuristic
+exitCode: 0
+instance:
+  domain: blocks-strips-typed
+  instance: 27
+  ipc: ipc-2000
+versions:
+  clingo: 5.2.2
+  fastDownward: 10997:847cdf0069cab0c8841a9958e783d1a7340fe2e9 (2017-11-02 15:10 +0100)
+  planner: 517f2c0422a36582df17ecebb08e879b170cdfe2 (2017-11-21 02:23:06 +0100)
+  plasp: 3.1.1
+  python: 3.6.3
+workingDirectory: /home/pluehne/Documents/ASP/plasp-javier/encodings/planner
+
--- a/pb-e1-sh-h/ipc-2000_blocks-strips-typed_27.err
+++ b/pb-e1-sh-h/ipc-2000_blocks-strips-typed_27.err
@@ -0,0 +1,36 @@
+# configuration: {'id': 'pb-e1-sh-h', 'options': ['--stats', '--verbose', '--print-call', '-B 0.9', '--parallel=1', '--shallow', '--use-heuristic'], 'instanceSets': ['lpnmr-easy-instances', 'lpnmr-hard-instances']}
+# instance: {'ipc': 'ipc-2000', 'domain': 'blocks-strips-typed', 'instance': 27}
+# command: ['timeout', '-m=8000000', '-t=900', 'python3', '/home/pluehne/Documents/ASP/plasp-javier/encodings/planner/runplanner.py', '--domain=/home/pluehne/Documents/ASP/pddl-instances/ipc-2000/domains/blocks-strips-typed/domain.pddl', '/home/pluehne/Documents/ASP/pddl-instances/ipc-2000/domains/blocks-strips-typed/instances/instance-27.pddl', '--stats', '--verbose', '--print-call', '-B 0.9', '--parallel=1', '--shallow', '--use-heuristic']
+# working directory: /home/pluehne/Documents/ASP/plasp-javier/encodings/planner
+# exit code: 0
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp:13:4-34: info: atom does not occur in any rule head:
+  requires(feature(actionCosts))
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp:14:4-33: info: atom does not occur in any rule head:
+  requires(feature(axiomRules))
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp:15:4-41: info: atom does not occur in any rule head:
+  requires(feature(conditionalEffects))
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/strips-incremental.lp:66:15-28: info: atom does not occur in any rule head:
+  mutexGroup(G)
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/strips-incremental.lp:66:30-45: info: atom does not occur in any rule head:
+  contains(G,X,V)
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/strips-incremental.lp:67:15-28: info: atom does not occur in any rule head:
+  mutexGroup(G)
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/strips-incremental.lp:74:41-56: info: atom does not occur in any rule head:
+  contains(G,X,V)
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/strips-incremental.lp:84:41-56: info: atom does not occur in any rule head:
+  contains(G,X,V)
+
+<block>:12:39-67: info: atom does not occur in any rule head:
+  inherits(type(T1),type(T2))
+
+# planner call: plasp-3.1.1 translate --parsing-mode=compatibility /home/pluehne/Documents/ASP/pddl-instances/ipc-2000/domains/blocks-strips-typed/domain.pddl /home/pluehne/Documents/ASP/pddl-instances/ipc-2000/domains/blocks-strips-typed/instances/instance-27.pddl | /home/pluehne/Documents/ASP/plasp-javier/encodings/planner/planner.py - /home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp /home/pluehne/Documents/ASP/plasp-javier/encodings/strips/strips-incremental.lp --stats --verbose -B 0.9  --query-at-last --check-at-last --forbid-actions --force-actions -c planner_on=1   --heuristic=Domain /home/pluehne/Documents/ASP/plasp-javier/encodings/planner/heuristic.lp  -c _shallow=1  -c _closure=3   -c _parallel=1 
+FINISHED CPU 61.85 MEM 30288 MAXMEM 222184 STALE 0 MAXMEM_RSS 165556
+<time name="ALL">61840</time>
+
--- a/pb-e1-sh-h/ipc-2000_blocks-strips-typed_27.out
+++ b/pb-e1-sh-h/ipc-2000_blocks-strips-typed_27.out
@@ -0,0 +1,302 @@
+planner.py version 0.0.1
+
+Time:	 0.05s
+Memory: 49MB
+
+Iteration 1
+Queue:		 [(0,0,0,True), (1,5,0,True), (2,10,0,True), (3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)]
+Grounded Until:	 0
+Solving...
+Solving Time:	 0.00s
+Memory:		 49MB (+0MB)
+UNSAT
+Iteration Time:	 0.00s
+
+Iteration 2
+Queue:		 [(1,5,0,True), (2,10,0,True), (3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)]
+Grounded Until:	 0
+Grounding...	 [('step', [1]), ('step', [2]), ('step', [3]), ('step', [4]), ('step', [5]), ('check', [5])]
+Grounding Time:	 0.10s
+Memory:		 56MB (+7MB)
+Unblocking actions...
+Solving...
+Solving Time:	 0.00s
+Memory:		 58MB (+2MB)
+UNSAT
+Iteration Time:	 0.12s
+
+Iteration 3
+Queue:		 [(2,10,0,True), (3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)]
+Grounded Until:	 5
+Grounding...	 [('step', [6]), ('step', [7]), ('step', [8]), ('step', [9]), ('step', [10]), ('check', [10])]
+Grounding Time:	 0.08s
+Memory:		 62MB (+4MB)
+Unblocking actions...
+Solving...
+Solving Time:	 0.00s
+Memory:		 63MB (+1MB)
+UNSAT
+Iteration Time:	 0.11s
+
+Iteration 4
+Queue:		 [(3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)]
+Grounded Until:	 10
+Grounding...	 [('step', [11]), ('step', [12]), ('step', [13]), ('step', [14]), ('step', [15]), ('check', [15])]
+Grounding Time:	 0.08s
+Memory:		 67MB (+4MB)
+Unblocking actions...
+Solving...
+Solving Time:	 0.01s
+Memory:		 69MB (+2MB)
+UNSAT
+Iteration Time:	 0.11s
+
+Iteration 5
+Queue:		 [(4,20,0,True), (5,25,0,True), (6,30,0,True)]
+Grounded Until:	 15
+Grounding...	 [('step', [16]), ('step', [17]), ('step', [18]), ('step', [19]), ('step', [20]), ('check', [20])]
+Grounding Time:	 0.08s
+Memory:		 72MB (+3MB)
+Unblocking actions...
+Solving...
+Solving Time:	 0.05s
+Memory:		 75MB (+3MB)
+UNSAT
+Iteration Time:	 0.16s
+
+Iteration 6
+Queue:		 [(5,25,0,True), (6,30,0,True)]
+Grounded Until:	 20
+Grounding...	 [('step', [21]), ('step', [22]), ('step', [23]), ('step', [24]), ('step', [25]), ('check', [25])]
+Grounding Time:	 0.10s
+Memory:		 79MB (+4MB)
+Unblocking actions...
+Solving...
+Solving Time:	 2.13s
+Memory:		 83MB (+4MB)
+UNKNOWN
+Iteration Time:	 2.26s
+
+Iteration 7
+Queue:		 [(6,30,0,True)]
+Grounded Until:	 25
+Grounding...	 [('step', [26]), ('step', [27]), ('step', [28]), ('step', [29]), ('step', [30]), ('check', [30])]
+Grounding Time:	 0.08s
+Memory:		 87MB (+4MB)
+Unblocking actions...
+Solving...
+Solving Time:	 2.76s
+Memory:		 92MB (+5MB)
+UNKNOWN
+Iteration Time:	 2.87s
+
+Iteration 8
+Queue:		 [(5,25,1,True), (6,30,1,True), (7,35,0,True), (8,40,0,True), (9,45,0,True), (10,50,0,True), (11,55,0,True), (12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 30
+Blocking actions...
+Solving...
+Solving Time:	 2.38s
+Memory:		 92MB (+0MB)
+UNKNOWN
+Iteration Time:	 2.39s
+
+Iteration 9
+Queue:		 [(6,30,1,True), (7,35,0,True), (8,40,0,True), (9,45,0,True), (10,50,0,True), (11,55,0,True), (12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 30
+Unblocking actions...
+Solving...
+Solving Time:	 2.62s
+Memory:		 92MB (+0MB)
+UNKNOWN
+Iteration Time:	 2.62s
+
+Iteration 10
+Queue:		 [(7,35,0,True), (8,40,0,True), (9,45,0,True), (10,50,0,True), (11,55,0,True), (12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 30
+Grounding...	 [('step', [31]), ('step', [32]), ('step', [33]), ('step', [34]), ('step', [35]), ('check', [35])]
+Grounding Time:	 0.09s
+Memory:		 94MB (+2MB)
+Unblocking actions...
+Solving...
+Solving Time:	 3.28s
+Memory:		 101MB (+7MB)
+UNKNOWN
+Iteration Time:	 3.40s
+
+Iteration 11
+Queue:		 [(8,40,0,True), (9,45,0,True), (10,50,0,True), (11,55,0,True), (12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 35
+Grounding...	 [('step', [36]), ('step', [37]), ('step', [38]), ('step', [39]), ('step', [40]), ('check', [40])]
+Grounding Time:	 0.08s
+Memory:		 101MB (+0MB)
+Unblocking actions...
+Solving...
+Solving Time:	 3.18s
+Memory:		 109MB (+8MB)
+UNKNOWN
+Iteration Time:	 3.31s
+
+Iteration 12
+Queue:		 [(9,45,0,True), (10,50,0,True), (11,55,0,True), (12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 40
+Grounding...	 [('step', [41]), ('step', [42]), ('step', [43]), ('step', [44]), ('step', [45]), ('check', [45])]
+Grounding Time:	 0.09s
+Memory:		 109MB (+0MB)
+Unblocking actions...
+Solving...
+Solving Time:	 2.73s
+Memory:		 114MB (+5MB)
+UNKNOWN
+Iteration Time:	 2.87s
+
+Iteration 13
+Queue:		 [(10,50,0,True), (11,55,0,True), (12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 45
+Grounding...	 [('step', [46]), ('step', [47]), ('step', [48]), ('step', [49]), ('step', [50]), ('check', [50])]
+Grounding Time:	 0.12s
+Memory:		 117MB (+3MB)
+Unblocking actions...
+Solving...
+Solving Time:	 2.72s
+Memory:		 118MB (+1MB)
+UNKNOWN
+Iteration Time:	 2.89s
+
+Iteration 14
+Queue:		 [(11,55,0,True), (12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 50
+Grounding...	 [('step', [51]), ('step', [52]), ('step', [53]), ('step', [54]), ('step', [55]), ('check', [55])]
+Grounding Time:	 0.08s
+Memory:		 121MB (+3MB)
+Unblocking actions...
+Solving...
+Solving Time:	 3.45s
+Memory:		 127MB (+6MB)
+UNKNOWN
+Iteration Time:	 3.59s
+
+Iteration 15
+Queue:		 [(12,60,0,True), (13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 55
+Grounding...	 [('step', [56]), ('step', [57]), ('step', [58]), ('step', [59]), ('step', [60]), ('check', [60])]
+Grounding Time:	 0.09s
+Memory:		 130MB (+3MB)
+Unblocking actions...
+Solving...
+Solving Time:	 4.12s
+Memory:		 135MB (+5MB)
+UNKNOWN
+Iteration Time:	 4.26s
+
+Iteration 16
+Queue:		 [(13,65,0,True), (14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 60
+Grounding...	 [('step', [61]), ('step', [62]), ('step', [63]), ('step', [64]), ('step', [65]), ('check', [65])]
+Grounding Time:	 0.09s
+Memory:		 137MB (+2MB)
+Unblocking actions...
+Solving...
+Solving Time:	 3.90s
+Memory:		 145MB (+8MB)
+UNKNOWN
+Iteration Time:	 4.05s
+
+Iteration 17
+Queue:		 [(14,70,0,True), (15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 65
+Grounding...	 [('step', [66]), ('step', [67]), ('step', [68]), ('step', [69]), ('step', [70]), ('check', [70])]
+Grounding Time:	 0.09s
+Memory:		 145MB (+0MB)
+Unblocking actions...
+Solving...
+Solving Time:	 4.28s
+Memory:		 148MB (+3MB)
+UNKNOWN
+Iteration Time:	 4.43s
+
+Iteration 18
+Queue:		 [(15,75,0,True), (16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 70
+Grounding...	 [('step', [71]), ('step', [72]), ('step', [73]), ('step', [74]), ('step', [75]), ('check', [75])]
+Grounding Time:	 0.09s
+Memory:		 148MB (+0MB)
+Unblocking actions...
+Solving...
+Solving Time:	 4.36s
+Memory:		 154MB (+6MB)
+UNKNOWN
+Iteration Time:	 4.52s
+
+Iteration 19
+Queue:		 [(16,80,0,True), (17,85,0,True), (18,90,0,True)]
+Grounded Until:	 75
+Grounding...	 [('step', [76]), ('step', [77]), ('step', [78]), ('step', [79]), ('step', [80]), ('check', [80])]
+Grounding Time:	 0.09s
+Memory:		 154MB (+0MB)
+Unblocking actions...
+Solving...
+Solving Time:	 4.86s
+Memory:		 164MB (+10MB)
+UNKNOWN
+Iteration Time:	 5.02s
+
+Iteration 20
+Queue:		 [(17,85,0,True), (18,90,0,True)]
+Grounded Until:	 80
+Grounding...	 [('step', [81]), ('step', [82]), ('step', [83]), ('step', [84]), ('step', [85]), ('check', [85])]
+Grounding Time:	 0.09s
+Memory:		 167MB (+3MB)
+Unblocking actions...
+Solving...
+Solving Time:	 5.17s
+Memory:		 173MB (+6MB)
+UNKNOWN
+Iteration Time:	 5.33s
+
+Iteration 21
+Queue:		 [(18,90,0,True)]
+Grounded Until:	 85
+Grounding...	 [('step', [86]), ('step', [87]), ('step', [88]), ('step', [89]), ('step', [90]), ('check', [90])]
+Grounding Time:	 0.09s
+Memory:		 173MB (+0MB)
+Unblocking actions...
+Solving...
+Answer: 1
+occurs(action(("pick-up",constant("m"))),1) occurs(action(("put-down",constant("m"))),2) occurs(action(("pick-up",constant("m"))),3) occurs(action(("put-down",constant("m"))),4) occurs(action(("pick-up",constant("m"))),5) occurs(action(("put-down",constant("m"))),6) occurs(action(("unstack",constant("b"),constant("f"))),7) occurs(action(("put-down",constant("b"))),8) occurs(action(("unstack",constant("f"),constant("d"))),9) occurs(action(("put-down",constant("f"))),10) occurs(action(("unstack",constant("d"),constant("c"))),11) occurs(action(("put-down",constant("d"))),12) occurs(action(("unstack",constant("c"),constant("j"))),13) occurs(action(("put-down",constant("c"))),14) occurs(action(("unstack",constant("j"),constant("a"))),15) occurs(action(("put-down",constant("j"))),16) occurs(action(("unstack",constant("a"),constant("e"))),17) occurs(action(("put-down",constant("a"))),18) occurs(action(("unstack",constant("e"),constant("h"))),19) occurs(action(("put-down",constant("e"))),20) occurs(action(("unstack",constant("h"),constant("l"))),21) occurs(action(("put-down",constant("h"))),22) occurs(action(("unstack",constant("l"),constant("k"))),23) occurs(action(("put-down",constant("l"))),24) occurs(action(("pick-up",constant("b"))),25) occurs(action(("stack",constant("b"),constant("k"))),26) occurs(action(("pick-up",constant("j"))),27) occurs(action(("stack",constant("j"),constant("b"))),28) occurs(action(("pick-up",constant("l"))),29) occurs(action(("stack",constant("l"),constant("j"))),30) occurs(action(("pick-up",constant("e"))),31) occurs(action(("stack",constant("e"),constant("l"))),32) occurs(action(("pick-up",constant("h"))),33) occurs(action(("stack",constant("h"),constant("e"))),34) occurs(action(("pick-up",constant("m"))),35) occurs(action(("stack",constant("m"),constant("h"))),36) occurs(action(("pick-up",constant("a"))),37) occurs(action(("stack",constant("a"),constant("m"))),38) occurs(action(("pick-up",constant("f"))),39) occurs(action(("stack",constant("f"),constant("a"))),40) occurs(action(("pick-up",constant("d"))),41) occurs(action(("stack",constant("d"),constant("f"))),42) occurs(action(("pick-up",constant("c"))),43) occurs(action(("stack",constant("c"),constant("d"))),44) occurs(action(("unstack",constant("i"),constant("g"))),45) occurs(action(("stack",constant("i"),constant("g"))),46) occurs(action(("unstack",constant("i"),constant("g"))),47) occurs(action(("put-down",constant("i"))),48) occurs(action(("pick-up",constant("i"))),49) occurs(action(("put-down",constant("i"))),50) occurs(action(("pick-up",constant("i"))),51) occurs(action(("stack",constant("i"),constant("c"))),52) occurs(action(("pick-up",constant("g"))),53) occurs(action(("put-down",constant("g"))),54) occurs(action(("pick-up",constant("g"))),55) occurs(action(("stack",constant("g"),constant("i"))),56) occurs(action(("unstack",constant("g"),constant("i"))),57) occurs(action(("stack",constant("g"),constant("i"))),58) occurs(action(("unstack",constant("g"),constant("i"))),59) occurs(action(("stack",constant("g"),constant("i"))),60) occurs(action(("unstack",constant("g"),constant("i"))),61) occurs(action(("stack",constant("g"),constant("i"))),62) occurs(action(("unstack",constant("g"),constant("i"))),63) occurs(action(("stack",constant("g"),constant("i"))),64) occurs(action(("unstack",constant("g"),constant("i"))),65) occurs(action(("stack",constant("g"),constant("i"))),66) occurs(action(("unstack",constant("g"),constant("i"))),67) occurs(action(("stack",constant("g"),constant("i"))),68) occurs(action(("unstack",constant("g"),constant("i"))),69) occurs(action(("stack",constant("g"),constant("i"))),70) occurs(action(("unstack",constant("g"),constant("i"))),71) occurs(action(("stack",constant("g"),constant("i"))),72) occurs(action(("unstack",constant("g"),constant("i"))),73) occurs(action(("stack",constant("g"),constant("i"))),74) occurs(action(("unstack",constant("g"),constant("i"))),75) occurs(action(("stack",constant("g"),constant("i"))),76) occurs(action(("unstack",constant("g"),constant("i"))),77) occurs(action(("stack",constant("g"),constant("i"))),78) occurs(action(("unstack",constant("g"),constant("i"))),79) occurs(action(("stack",constant("g"),constant("i"))),80) occurs(action(("unstack",constant("g"),constant("i"))),81) occurs(action(("stack",constant("g"),constant("i"))),82) occurs(action(("unstack",constant("g"),constant("i"))),83) occurs(action(("stack",constant("g"),constant("i"))),84) occurs(action(("unstack",constant("g"),constant("i"))),85) occurs(action(("put-down",constant("g"))),86) occurs(action(("pick-up",constant("g"))),87) occurs(action(("put-down",constant("g"))),88) occurs(action(("pick-up",constant("g"))),89) occurs(action(("stack",constant("g"),constant("i"))),90)
+Solving Time:	 6.81s
+Memory:		 182MB (+9MB)
+SAT
+SATISFIABLE
+
+Models       : 1+
+Calls        : 21
+Time         : 61.313s (Solving: 58.52s 1st Model: 6.78s Unsat: 0.05s)
+CPU Time     : 61.330s
+
+Choices      : 1026412  (Domain: 1026412)
+Conflicts    : 148133   (Analyzed: 148130)
+Restarts     : 1588     (Average: 93.28 Last: 237)
+Model-Level  : 774.0   
+Problems     : 21       (Average Length: 45.57 Splits: 0)
+Lemmas       : 148130   (Deleted: 141618)
+  Binary     : 107      (Ratio:   0.07%)
+  Ternary    : 289      (Ratio:   0.20%)
+  Conflict   : 148130   (Average Length:  594.2 Ratio: 100.00%) 
+  Loop       : 0        (Average Length:    0.0 Ratio:   0.00%) 
+  Other      : 0        (Average Length:    0.0 Ratio:   0.00%) 
+Backjumps    : 148130   (Average:  5.91 Max: 486 Sum: 874955)
+  Executed   : 148098   (Average:  5.90 Max: 486 Sum: 874361 Ratio:  99.93%)
+  Bounded    : 32       (Average: 18.56 Max:  22 Sum:    594 Ratio:   0.07%)
+
+Rules        : 12004   
+Atoms        : 12004   
+Bodies       : 1        (Original: 0)
+Tight        : Yes
+Variables    : 107192   (Eliminated:    0 Frozen: 32256)
+Constraints  : 534289   (Binary:  90.0% Ternary:   8.3% Other:   1.7%)
+
+Memory Peak  : 186MB
+Max. Length  : 90 steps
+Sol. Length  : 90 steps
+
+