C3123223313331322121111331333133313231333132212111133133311222223331   >>    C312322331333132212111133133313331323133313221211113313331122222333   <<    C3123223313331322121111331333133313231333132212111133133311222223333   >>      C3123223313331322121111331333133313231333132212111133133311222223332   >>