C1311213331333132332133313331333133313121111331333133313112113313331323311   >>    C131121333133313233213331333133313331312111133133313331311211331333132331   <<    C1311213331333132332133313331333133313121111331333133313112113313331323313   >>      C1311213331333132332133313331333133313121111331333133313112113313331323312   >>