@1
MOV UP, ACC
L: SAV
SUB RIGHT
JLZ D
MOV -1, RIGHT
MOV 4, DOWN
JMP L
D: SWP
MOV -2, RIGHT
MOV 1, DOWN
MOV ACC, DOWN

@2
MOV UP, ACC
L: MOV ACC, LEFT
JRO LEFT

@4
L: JRO UP
MOV ACC, DOWN
MOV UP, DOWN
MOV -1, ACC
ADD 1

@7
MOV UP, DOWN
MOV UP, RIGHT

@8
MOV LEFT, DOWN
