C1111233133313231133133313331333133313231323331333133313222213231   >>    C111123313331323113313331333133313331323132333133313331322221323   <<    C1111233133313231133133313331333133313231323331333133313222213233   >>      C1111233133313231133133313331333133313231323331333133313222213232   >>