C31232233133313221211113313331333132313331322121111122133313133313123233311331   >>    C3123223313331322121111331333133313231333132212111112213331313331312323331133   <<    C31232233133313221211113313331333132313331322121111122133313133313123233311333   >>      C31232233133313221211113313331333132313331322121111122133313133313123233311332   >>