C13112133313331323321333133313331333133313331333133313331312322321322312131   >>    C1311213331333132332133313331333133313331333133313331333131232232132231213   <<    C13112133313331323321333133313331333133313331333133313331312322321322312133   >>      C13112133313331323321333133313331333133313331333133313331312322321322312132   >>