C111112111133131121133133313331333133313331322121111331312111133133313321   >>    C11111211113313112113313331333133313331333132212111133131211113313331332   <<    C111112111133131121133133313331333133313331322121111331312111133133313323   >>      C111112111133131121133133313331333133313331322121111331312111133133313322   >>