C11111333133313232233133313331333133313221333133313231321323331313331   >>    C1111133313331323223313331333133313331322133313331323132132333131333   <<    C11111333133313232233133313331333133313221333133313231321323331313333   >>      C11111333133313232233133313331333133313221333133313231321323331313332   >>