@0
MOV RIGHT, RIGHT

@1
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, LEFT
MOV UP, ACC
SUB LEFT
ADD 1
MOV ACC, DOWN

@2
MOV UP, DOWN

@5
MOV UP, RIGHT

@6
S: MOV LEFT, ACC
JEZ D
K: MOV UP, NIL
SUB 1
JNZ K
D: MOV LEFT, ACC
T: MOV UP, DOWN
SUB 1
JNZ T
R: MOV UP, ACC
JNZ R
MOV ACC, DOWN

@9
MOV UP, DOWN
