.S F=N
.S N=101
.!LOOK
.!HERE
!LOOK
.!CLRT
.P "You are at a branch in the tunnel.
.I F:103
.T P "Passages go to the left, right,
.I F:102
.T P "Passages go forward, to the right,
.I F:100
.T P "Passages go forward, to the left,
.P "and back behind you.
%L...
.!CLRT
.I F#102
.T J +3
.!INVD
!!!!!
.P "You turn down the left passage.
.I F:100
.T !GTO3
.I F:103
.T !GTO2
.!TUNL
%R...
.!CLRT
.I F#100
.T J +3
.!INVD
!!!!!
.P "You turn down the right passage.
.I F:102
.T !GTO3
.I F:103
.T !GTO0
.!TUNL
%FW..
.!CLRT
.I F#103
.T J +3
.!INVD
!!!!!
.P "You continue forward.
.I F:100
.T !GTO2
.I F:102
.T !GTO0
.!TUNL
%BK..
.!CLRT
.P "You turn around and trudge back down
.P "the passage.
.I F:100
.T !GTO0
.I F:102
.T !GTO2
.I F:103
.T !GTO3
.!TUNL
!GTO0
.3 ROOM 44.0 
.S GE(6)=7
!GTO2
.3 ROOM 44.2 
.S GE(6)=7
!GTO3
.3 ROOM 44.3 
.S GE(6)=27
@@@@@