C31232233133313221211113313331333133313113311331211113313222333131   >>    C3123223313331322121111331333133313331311331133121111331322233313   <<    C31232233133313221211113313331333133313113311331211113313222333133   >>      C31232233133313221211113313331333133313113311331211113313222333132   >>