C111112111133131121133133313331333133313331323133313331333133313211232322132311   >>    C11111211113313112113313331333133313331333132313331333133313331321123232213231   <<    C111112111133131121133133313331333133313331323133313331333133313211232322132313   >>      C111112111133131121133133313331333133313331323133313331333133313211232322132312   >>