C11112331333132311331333133313331333132313233313113313231323133313332322131   >>    C1111233133313231133133313331333133313231323331311331323132313331333232213   <<    C11112331333132311331333133313331333132313233313113313231323133313332322133   >>      C11112331333132311331333133313331333132313233313113313231323133313332322132   >>