@0
#SUB 25
#LIMIT
#ADD 2

#ADD 25
#LIMIT

@1
   MOV UP   ACC
   JLZ O
G: SUB 50
   JLZ L
   SUB 25
   JLZ 2
   MOV 3 DOWN
   JRO -999
2: MOV 2 DOWN
   JRO -999
L: ADD -975
   ADD 999
   JEZ O
   MOV 1    ACC
O: MOV ACC  DOWN

@2


@3


@4
MOV UP  ACC
MOV ACC LAST
MOV ACC ANY

@5


@6
Z: MOV UP  ACC
   MOV ACC DOWN
   MOV -1  RIGHT
   SAV
   SUB UP
   JEZ Z

N: MOV 1   RIGHT
   SWP
   MOV ACC RIGHT

@7
MOV -1   ACC
ADD 1
JRO LEFT

MOV ACC  DOWN
MOV LEFT DOWN

@8