C111112111133131121133133313331323133313231333133313232112323311   >>    C11111211113313112113313331333132313331323133313331323211232331   <<    C111112111133131121133133313331323133313231333133313232112323313   >>      C111112111133131121133133313331323133313231333133313232112323312   >>