C1111133313331323223313331333133313331322133313331323221333122311   >>    C111113331333132322331333133313331333132213331333132322133312231   <<    C1111133313331323223313331333133313331322133313331323221333122313   >>      C1111133313331323223313331333133313331322133313331323221333122312   >>