C13112133313331323321333133313331333133313331323132313223313133321   >>    C1311213331333132332133313331333133313331333132313231322331313332   <<    C13112133313331323321333133313331333133313331323132313223313133323   >>      C13112133313331323321333133313331333133313331323132313223313133322   >>