jrunPowChessLþ{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["0603e74cf31a2ad7c5e710d3a8416ecb059430b13152880c953d67b25e91e1c1"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"f4"}]]}]}
https://whatsonchain.com/tx/614d9ced8fc2bd6f61c19aa97dd26132db376af4c64ed2863ce0b2fbb097fcea