C11112331312111112111133133313331311331323212331333132322233131   >>    C1111233131211111211113313331333131133132321233133313232223313   <<    C11112331312111112111133133313331311331323212331333132322233133   >>      C11112331312111112111133133313331311331323212331333132322233132   >>