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

@2
MOV UP ACC
SAV
MOV -1 ACC
L: ADD 1
SWP
MOV ACC LEFT
SWP
JRO LEFT
MOV ACC LEFT

@4
MOV UP DOWN

@7
MOV UP DOWN
MOV UP RIGHT

@8
MOV LEFT DOWN
