C111123313121111121111331333133313331322121111331333133313331312211111   >>    C11112331312111112111133133313331333132212111133133313331333131221111   <<    C111123313121111121111331333133313331322121111331333133313331312211113   >>      C111123313121111121111331333133313331322121111331333133313331312211112   >>