C111123313121111121111331333133313331323232133313331333133313113313231122231   >>    C11112331312111112111133133313331333132323213331333133313331311331323112223   <<    C111123313121111121111331333133313331323232133313331333133313113313231122233   >>      C111123313121111121111331333133313331323232133313331333133313113313231122232   >>