C1111133313331323223313331333133313331322133313331323211232313233121   >>    C111113331333132322331333133313331333132213331333132321123231323312   <<    C1111133313331323223313331333133313331322133313331323211232313233123   >>      C1111133313331323223313331333133313331322133313331323211232313233122   >>