C1311213331333132332133313331333133313331333132233132233133313332313231321   >>    C131121333133313233213331333133313331333133313223313223313331333231323132   <<    C1311213331333132332133313331333133313331333132233132233133313332313231323   >>      C1311213331333132332133313331333133313331333132233132233133313332313231322   >>