C111123313121111121111331333133313331333132232233133313211232333132313331323231   >>    C11112331312111112111133133313331333133313223223313331321123233313231333132323   <<    C111123313121111121111331333133313331333132232233133313211232333132313331323233   >>      C111123313121111121111331333133313331333132232233133313211232333132313331323232   >>