C31232233133313221211113313331333133313113311331333133313121111131113122131   >>    C3123223313331322121111331333133313331311331133133313331312111113111312213   <<    C31232233133313221211113313331333133313113311331333133313121111131113122133   >>      C31232233133313221211113313331333133313113311331333133313121111131113122132   >>