C1111133313331323223313331333133313331333132213331333133313121333121   >>    C111113331333132322331333133313331333133313221333133313331312133312   <<    C1111133313331323223313331333133313331333132213331333133313121333123   >>      C1111133313331323223313331333133313331333132213331333133313121333122   >>