C111113331333132322331333133313331333133313113313331321123231211   >>    C11111333133313232233133313331333133313331311331333132112323121   <<    C111113331333132322331333133313331333133313113313331321123231213   >>      C111113331333132322331333133313331333133313113313331321123231212   >>