jrunPowChessLÿ{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["d4322f2c26c77ff0840de06518ca2f08d6390d83412a39bf4fc16a76c3efd09d"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"Bb7"}]]}]}
https://whatsonchain.com/tx/908fb25c23ac27639202d74bc9cc8a3a87d3f46d296853a0fbcefd0de10f20a0