C132233133112121111331333133313231333133313231133133313112112211211   >>    C13223313311212111133133313331323133313331323113313331311211221121   <<    C132233133112121111331333133313231333133313231133133313112112211213   >>      C132233133112121111331333133313231333133313231133133313112112211212   >>