PSH 0
            PSH 1
LOOP:       SUM 2
            OUT
            DUP
            JMP EO_CHECK
EO_CONT:    OUT
            POP
            SSZ
            PSH 20
            BEQ END
            POP 2
            JMP LOOP

EO_CHECK:   PSH 1
            BEQ EO_RET
            POP
            PSH 0
            BEQ EO_RET
            POP
            ADD -2
            JMP EO_CHECK
EO_RET:     POP
            JMP EO_CONT

END:        NOP