C13112133313331323321333133313331333133313331333133313331312322321112321   >>    C1311213331333132332133313331333133313331333133313331333131232232111232   <<    C13112133313331323321333133313331333133313331333133313331312322321112323   >>      C13112133313331323321333133313331333133313331333133313331312322321112322   >>