C11112331333132311331333133313331323132313331313231323132312131   >>    C1111233133313231133133313331333132313231333131323132313231213   <<    C11112331333132311331333133313331323132313331313231323132312133   >>      C11112331333132311331333133313331323132313331313231323132312132   >>