@1
MOV UP, DOWN

@4
T: MOV UP, DOWN
MOV UP, DOWN
MOV UP, ACC
SUB 6
NEG
SWP
MOV UP, ACC
L: SWP
MOV ACC, RIGHT
SWP
SUB 1
JEZ D
MOV -5, DOWN
JMP L
D: MOV -8, DOWN

@5
MOV LEFT, DOWN

@8
T: MOV UP, ACC
SWP
MOV UP, ACC
L: SWP
MOV ACC, RIGHT
SWP
MOV ACC, RIGHT
ADD 1
JRO UP

@9
MOV LEFT, DOWN
MOV LEFT, DOWN
MOV 3, DOWN
JRO UP
MOV 3, DOWN
MOV 3, DOWN
MOV 3, DOWN
MOV 3, DOWN
MOV -1, DOWN
