C13112133313331323321333133313331333133313331333131122112113311   >>    C1311213331333132332133313331333133313331333133313112211211331   <<    C13112133313331323321333133313331333133313331333131122112113313   >>      C13112133313331323321333133313331333133313331333131122112113312   >>