C31232233133313221211113313331333133313331212111133131133133323133313113231   >>    C3123223313331322121111331333133313331333121211113313113313332313331311323   <<    C31232233133313221211113313331333133313331212111133131133133323133313113233   >>      C31232233133313221211113313331333133313331212111133131133133323133313113232   >>