C111112111133131121133133313331333133313123221211111333133313211232322321131211   >>    C11111211113313112113313331333133313331312322121111133313331321123232232113121   <<    C111112111133131121133133313331333133313123221211111333133313211232322321131213   >>      C111112111133131121133133313331333133313123221211111333133313211232322321131212   >>