.S N=32 ._ P .!CLRT .!LOOK .!HERE .S A=8 .S B=128 .!BIRD !LOOK .S A=11 .S B=128 .!BIRD .P ""This road is very long Senor. .P " Should we go forward or turn back?" %SE.. %BK.. .S GE(4)=1 .S GE(5)=3 .3 ROOM 22.0 .!LEAV %NW.. %FW.. .S GE(4)=2 .S GE(5)=4 .I N0(32):1 .T 3 ROOM 33.0 .E 3 ROOM 32.0 .!LEAV !BIRD .I E .T J -2 .S L=0 .S SV(0)=0 .S SV(2)=A .S SV(3)=B .N .I L<3 .T S L=L++ .T J -6 @@@@@