C11112331312111112111133133313331311331323212331333132233132223131   >>    C1111233131211111211113313331333131133132321233133313223313222313   <<    C11112331312111112111133133313331311331323212331333132233132223133   >>      C11112331312111112111133133313331311331323212331333132233132223132   >>