jrunPowChessM{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["11b204239622ddb36b50297c9d84cbf76f345c3171ebf38bfd7af86185647416"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"24.a4"}]]}]}
https://whatsonchain.com/tx/eb7b83fd45151a8a186e613c76fbb85fb587e4099a8c2cb86afe57c16a17dbdd