C31232233133313221211113313331333132313331322121111331312113313123233213331   >>    C3123223313331322121111331333133313231333132212111133131211331312323321333   <<    C31232233133313221211113313331333132313331322121111331312113313123233213333   >>      C31232233133313221211113313331333132313331322121111331312113313123233213332   >>