00 { 62-Byte Prgm } 01▸LBL "CP4GC" 02 X↑2 03 X<>Y 04 STO 04 05 X↑2 06 + 07 STO 06 08 R↑ 09 STO 05 10 X↑2 11 RCL ST Z 12 X↑2 13 + 14 STO 07 15 RCL 06 16 × 17 STO 00 18 RCL 06 19 RCL 05 20 × 21 RCL 07 22 RCL 04 23 × 24 + 25 STO+ ST X 26 +/- 27 STO 01 28 RCL 04 29 RCL 05 30 × 31 4 32 × 33 RCL 06 34 + 35 RCL 07 36 + 37 STO 02 38 RCL 04 39 RCL 05 40 + 41 STO+ ST X 42 +/- 43 STO 03 44 X<> ST Z 45 RCL 00 46▸LBL 00 47 RTN 48 GTO 00 49 END