C111123313121111121111331333133313331322121111331333133313331311331333112322321   >>    C11112331312111112111133133313331333132212111133133313331333131133133311232232   <<    C111123313121111121111331333133313331322121111331333133313331311331333112322323   >>      C111123313121111121111331333133313331322121111331333133313331311331333112322322   >>