C31232233133313221211113313331333132313331322121111123121111133313331   >>    C3123223313331322121111331333133313231333132212111112312111113331333   <<    C31232233133313221211113313331333132313331322121111123121111133313333   >>      C31232233133313221211113313331333132313331322121111123121111133313332   >>