C11111333133313232233133313331333132313232223323132313331121131   >>    C1111133313331323223313331333133313231323222332313231333112113   <<    C11111333133313232233133313331333132313232223323132313331121133   >>      C11111333133313232233133313331333132313232223323132313331121132   >>