C1311213331333132332133313331333133313331333133313331333132233132313112131   >>    C131121333133313233213331333133313331333133313331333133313223313231311213   <<    C1311213331333132332133313331333133313331333133313331333132233132313112133   >>      C1311213331333132332133313331333133313331333133313331333132233132313112132   >>