C11111333133313232233133313331333132313232223323132313331323112113121   >>    C1111133313331323223313331333133313231323222332313231333132311211312   <<    C11111333133313232233133313331333132313232223323132313331323112113123   >>      C11111333133313232233133313331333132313232223323132313331323112113122   >>