C111113331333132322331333133313331331121111121133133313112211232313222311   >>    C11111333133313232233133313331333133112111112113313331311221123231322231   <<    C111113331333132322331333133313331331121111121133133313112211232313222313   >>      C111113331333132322331333133313331331121111121133133313112211232313222312   >>