C111123313121111121111331333133313331323232133313331312111112322123231   >>    C11112331312111112111133133313331333132323213331333131211111232212323   <<    C111123313121111121111331333133313331323232133313331312111112322123233   >>      C111123313121111121111331333133313331323232133313331312111112322123232   >>