C31232233133313221211113313331333132313331322121111121111113311112331   >>    C3123223313331322121111331333133313231333132212111112111111331111233   <<    C31232233133313221211113313331333132313331322121111121111113311112333   >>      C31232233133313221211113313331333132313331322121111121111113311112332   >>