C111112111133131121133133313331311331333133313231333132322112311   >>    C11111211113313112113313331333131133133313331323133313232211231   <<    C111112111133131121133133313331311331333133313231333132322112313   >>      C111112111133131121133133313331311331333133313231333132322112312   >>