C31232233133313221211113313331333132313331322121111123121111113311211312331   >>    C3123223313331322121111331333133313231333132212111112312111111331121131233   <<    C31232233133313221211113313331333132313331322121111123121111113311211312333   >>      C31232233133313221211113313331333132313331322121111123121111113311211312332   >>