C111123313121111121111331333133313331333133313331333133313331333132112132321   >>    C11112331312111112111133133313331333133313331333133313331333133313211213232   <<    C111123313121111121111331333133313331333133313331333133313331333132112132323   >>      C111123313121111121111331333133313331333133313331333133313331333132112132322   >>