C1311213331333132332133313331333133313331333133313113313231333133321131   >>    C131121333133313233213331333133313331333133313331311331323133313332113   <<    C1311213331333132332133313331333133313331333133313113313231333133321133   >>      C1311213331333132332133313331333133313331333133313113313231333133321132   >>