@1
MOV UP, DOWN

@4
MOV UP, ACC
SWP
MOV UP, RIGHT
MOV UP, ACC
MOV UP, RIGHT
L: SWP
MOV ACC, RIGHT
SWP
MOV ACC, RIGHT
JRO RIGHT

@5
T: MOV LEFT, ACC
SWP
MOV LEFT, ACC
L: MOV LEFT, DOWN
SWP
MOV ACC, DOWN
ADD 1
SWP
MOV LEFT, DOWN
SUB 1
JEZ D
MOV -4, LEFT
JMP L
D: MOV -9, LEFT

@9
MOV UP, DOWN
MOV UP, DOWN
MOV UP, ACC
L: MOV 3, DOWN
SUB 1
JNZ L
MOV -1, DOWN
