C111113331333132322331333133313331331121111121133133313121111131131213231   >>    C11111333133313232233133313331333133112111112113313331312111113113121323   <<    C111113331333132322331333133313331331121111121133133313121111131131213233   >>      C111113331333132322331333133313331331121111121133133313121111131131213232   >>