C31232233133313221211113313331333132313331322121111121111331312323123133112331   >>    C3123223313331322121111331333133313231333132212111112111133131232312313311233   <<    C31232233133313221211113313331333132313331322121111121111331312323123133112333   >>      C31232233133313221211113313331333132313331322121111121111331312323123133112332   >>