C11112331312111112111133133313331323132313232233132322331323211331   >>    C1111233131211111211113313331333132313231323223313232233132321133   <<    C11112331312111112111133133313331323132313232233132322331323211333   >>      C11112331312111112111133133313331323132313232233132322331323211332   >>