C11111333133313232233133313331333133313233213331323221323132333231   >>    C1111133313331323223313331333133313331323321333132322132313233323   <<    C11111333133313232233133313331333133313233213331323221323132333233   >>      C11111333133313232233133313331333133313233213331323221323132333232   >>