C31232233133313221211113313331333132313331322121133133313232311211312221   >>    C3123223313331322121111331333133313231333132212113313331323231121131222   <<    C31232233133313221211113313331333132313331322121133133313232311211312223   >>      C31232233133313221211113313331333132313331322121133133313232311211312222   >>