@1
MOV UP, DOWN

@5
S: MOV UP, ACC
MOV 3, RIGHT
MOV UP, RIGHT
L: MOV 1, RIGHT
SUB 1
JGZ L

@6
L: JRO LEFT
MOV ACC, DOWN
JMP L
MOV LEFT, ACC

@10
S: MOV -1, DOWN
MOV 0, DOWN
SWP
MOV ACC, DOWN
ADD 1
SWP
SUB 30
L: MOV UP, DOWN
ADD 1
JNZ L
