C232212111133133312331333133313231333132311233133313331333131212311   >>    C23221211113313331233133313331323133313231123313331333133313121231   <<    C232212111133133312331333133313231333132311233133313331333131212313   >>      C232212111133133312331333133313231333132311233133313331333131212312   >>