C111123313121111121111331333133313331333133313331333133313233213332321   >>    C11112331312111112111133133313331333133313331333133313331323321333232   <<    C111123313121111121111331333133313331333133313331333133313233213332323   >>      C111123313121111121111331333133313331333133313331333133313233213332322   >>