C111112111133131121133133313331333133313331312111133132323313231   >>    C11111211113313112113313331333133313331333131211113313232331323   <<    C111112111133131121133133313331333133313331312111133132323313233   >>      C111112111133131121133133313331333133313331312111133132323313232   >>