C1311213331333132332133313331333133313331333132313113313331322321131   >>    C131121333133313233213331333133313331333133313231311331333132232113   <<    C1311213331333132332133313331333133313331333132313113313331322321133   >>      C1311213331333132332133313331333133313331333132313113313331322321132   >>