C11112331312111112111133133313231333132313232233133313231331123121122112323131   >>    C1111233131211111211113313331323133313231323223313331323133112312112211232313   <<    C11112331312111112111133133313231333132313232233133313231331123121122112323133   >>      C11112331312111112111133133313231333132313232233133313231331123121122112323132   >>