C31232233133313221211113313331333132313331322121111121111131232313221231   >>    C3123223313331322121111331333133313231333132212111112111113123231322123   <<    C31232233133313221211113313331333132313331322121111121111131232313221233   >>      C31232233133313221211113313331333132313331322121111121111131232313221232   >>