@0 MOV -1 ACC ADD UP SWP MOV RIGHT ACC G: SWP MOV ACC RIGHT SWP SUB 1 JGZ G MOV 0 RIGHT @1 MOV 8 DOWN MOV UP LEFT S: MOV DOWN ACC SWP MOV LEFT ACC JEZ E G: MOV 1 DOWN SUB 1 SWP MOV ACC DOWN SWP JGZ G MOV 9 DOWN JMP S E: MOV 6 DOWN @2 @3 @4 @5 S: JRO UP MOV -7 DOWN ADD 999 ADD UP MOV DOWN DOWN JGZ G MOV 20 DOWN JMP S MOV -998 ACC MOV ACC UP MOV -9 DOWN JMP S G: MOV 19 DOWN SUB 1 SUB 999 @6 @7 SUB ACC SAV JMP S SWP MOV ACC UP SWP ADD UP SUB UP L: ADD 10 JLZ L S: JRO UP MOV ACC DOWN @8 @9