jrunPowChessLþ{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["1a349ad80548900f92b701167c0f0a378df656241f454a480d45ccab1d3e1acf"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"b4"}]]}]}
https://whatsonchain.com/tx/9c788fba1f9602b4da145a23b3a40e40e71c7770dc306318b2195d19c8439cdb