jrunPowChessM {"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["d6ad7b58baa0541fd09a1c4895d0f7f52822d1d2d9d39141dc0cbb53aa5dc931"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"bxc4"}]]}]}
https://whatsonchain.com/tx/0908bfe3721f92910b932ad79fb0b6b060a01b0bee71b546888d4531dc85c321