C111123313121111121111331333133313331323231333133313331333131232233131311321   >>    C11112331312111112111133133313331333132323133313331333133313123223313131132   <<    C111123313121111121111331333133313331323231333133313331333131232233131311323   >>      C111123313121111121111331333133313331323231333133313331333131232233131311322   >>