C111123313121111121111331333133313331323231333133313331312332112321   >>    C11112331312111112111133133313331333132323133313331333131233211232   <<    C111123313121111121111331333133313331323231333133313331312332112323   >>      C111123313121111121111331333133313331323231333133313331312332112322   >>