C11112331312111112111133133313231333132313232233132322121323131   >>    C1111233131211111211113313331323133313231323223313232212132313   <<    C11112331312111112111133133313231333132313232233132322121323133   >>      C11112331312111112111133133313231333132313232233132322121323132   >>