C31232233133313221211113313331333132313331322121111331311222331   >>    C3123223313331322121111331333133313231333132212111133131122233   <<    C31232233133313221211113313331333132313331322121111331311222333   >>      C31232233133313221211113313331333132313331322121111331311222332   >>