C111113331333132322331333133313331331121111121133133313211231211311   >>    C11111333133313232233133313331333133112111112113313331321123121131   <<    C111113331333132322331333133313331331121111121133133313211231211313   >>      C111113331333132322331333133313331331121111121133133313211231211312   >>