jrunPowChessLþ{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["b48e7a0e0c108c45b0576e47ecd2685190f7dd4394f23818f0aa2db412b8e121"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"a4"}]]}]}
https://whatsonchain.com/tx/10f172f2d0da2b850459c6cd022eeca778f5a1ccf8206e299e47aa81cfafdbad