@0
MOV UP, DOWN

@1
MOV UP, DOWN

@2
MOV UP, RIGHT

@3
I: MOV ACC, UP
MOV LEFT, ACC
JNZ I
L: MOV ACC, DOWN
MOV UP, ACC
JNZ L
MOV ACC, UP
MOV RIGHT, ACC
C: SUB 1
JLZ F
MOV DOWN, UP
JMP C
F: MOV DOWN, ACC
MOV ACC, RIGHT
JMP L

@4
MOV UP, LEFT
MOV LEFT, DOWN

@7
MOV UP, DOWN
