@1
MOV UP, ACC
L: JEZ E
MOV 1, RIGHT
SUB 1
JMP L
E: MOV 4, RIGHT

@2
MOV UP, ACC
L: JRO LEFT
MOV 1, DOWN
MOV ACC, DOWN
JMP L
MOV 3, DOWN

@5
MOV UP, DOWN

@7
L: JRO UP
ADD UP
JMP L
MOV ACC, DOWN
SUB ACC
