C31232233133313221211113313331333132313331322121111121111133323222331   >>    C3123223313331322121111331333133313231333132212111112111113332322233   <<    C31232233133313221211113313331333132313331322121111121111133323222333   >>      C31232233133313221211113313331333132313331322121111121111133323222332   >>