C111112111133131121133133313331312111111312111113331333132233232231   >>    C11111211113313112113313331333131211111131211111333133313223323223   <<    C111112111133131121133133313331312111111312111113331333132233232233   >>      C111112111133131121133133313331312111111312111113331333132233232232   >>