C111123313121111121111331333133313331323231333133313331333131133131222321   >>    C11112331312111112111133133313331333132323133313331333133313113313122232   <<    C111123313121111121111331333133313331323231333133313331333131133131222323   >>      C111123313121111121111331333133313331323231333133313331333131133131222322   >>