C1311213331333132332133313331333133313331333133313331333132311233132223131   >>    C131121333133313233213331333133313331333133313331333133313231123313222313   <<    C1311213331333132332133313331333133313331333133313331333132311233132223133   >>      C1311213331333132332133313331333133313331333133313331333132311233132223132   >>