C31232233133313221211113313331333132313331322121111132313232223131   >>    C3123223313331322121111331333133313231333132212111113231323222313   <<    C31232233133313221211113313331333132313331322121111132313232223133   >>      C31232233133313221211113313331333132313331322121111132313232223132   >>