Initial state
le_w ____ ____ wa_e 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Round 1
Creature (wall_turner east 0 3) takes action:
Instruction 1: ifwall 4
Instruction 4: left
le_w ____ ____ wa_n 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Creature (left west 0 0) takes action:
Instruction 1: left
le_s ____ ____ wa_n 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Round 2
Creature (wall_turner north 0 3) takes action:
Instruction 5: go 1
Instruction 1: ifwall 4
Instruction 4: left
le_s ____ ____ wa_w 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Creature (left south 0 0) takes action:
Instruction 2: go 1
Instruction 1: left
le_e ____ ____ wa_w 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Round 3
Creature (wall_turner west 0 3) takes action:
Instruction 5: go 1
Instruction 1: ifwall 4
Instruction 2: hop
le_e ____ wa_w ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Creature (left east 0 0) takes ac

Initial state
le_w ____ ____ wa_e 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Round 1
Creature (wall_turner east 0 3) takes action:
Instruction 1: ifwall 4
Instruction 4: left
le_w ____ ____ wa_n 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Creature (left west 0 0) takes action:
Instruction 1: left
le_s ____ ____ wa_n 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Round 2
Creature (wall_turner north 0 3) takes action:
Instruction 5: go 1
Instruction 1: ifwall 4
Instruction 4: left
le_s ____ ____ wa_w 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Creature (left south 0 0) takes action:
Instruction 2: go 1
Instruction 1: left
le_e ____ ____ wa_w 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Round 3
Creature (wall_turner west 0 3) takes action:
Instruction 5: go 1
Instruction 1: ifwall 4
Instruction 2: hop
le_e ____ wa_w ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
____ ____ ____ ____ 
Creature (left east 0 0) takes ac