C31232233133313221211113313331333132313331322121111123121111121111133313211231   >>    C3123223313331322121111331333133313231333132212111112312111112111113331321123   <<    C31232233133313221211113313331333132313331322121111123121111121111133313211233   >>      C31232233133313221211113313331333132313331322121111123121111121111133313211232   >>