C131121333133313233213331333133313331333133313331333133313123223211332131   >>    C13112133313331323321333133313331333133313331333133313331312322321133213   <<    C131121333133313233213331333133313331333133313331333133313123223211332133   >>      C131121333133313233213331333133313331333133313331333133313123223211332132   >>