jrunPowChessLÿ{"in":1,"ref":["6bbaf994eb12241aa9614364d134c89d6fbb0a97c16a06bcfb9d3ba0a3eacb7c_o1"],"out":["3869ca9385c59657d6dbb2c80139ac3127f01d6a5068c66688cf4bfba51ec135"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"Be7"}]]}]}
https://whatsonchain.com/tx/104fd18267b88a729f5820fbf566c38dfd9c482d13dfd1b3753dbbd812a3f9a6