C1111233133313231133133313331333133313231121333133313332112323233121   >>    C111123313331323113313331333133313331323112133313331333211232323312   <<    C1111233133313231133133313331333133313231121333133313332112323233123   >>      C1111233133313231133133313331333133313231121333133313332112323233122   >>