C11112331333132311331333133313331333132313311211331323221123313231323131   >>    C1111233133313231133133313331333133313231331121133132322112331323132313   <<    C11112331333132311331333133313331333132313311211331323221123313231323133   >>      C11112331333132311331333133313331333132313311211331323221123313231323132   >>