C131121333133313233213331333133313331333133313331333133313331333132311322331   >>    C13112133313331323321333133313331333133313331333133313331333133313231132233   <<    C131121333133313233213331333133313331333133313331333133313331333132311322333   >>      C131121333133313233213331333133313331333133313331333133313331333132311322332   >>