C1311213331333132332133313331333133313331333132313331311223312111113331233131   >>    C131121333133313233213331333133313331333133313231333131122331211111333123313   <<    C1311213331333132332133313331333133313331333132313331311223312111113331233133   >>      C1311213331333132332133313331333133313331333132313331311223312111113331233132   >>