C11112331333132311331333133313331333132313311211331311331323112132231   >>    C1111233133313231133133313331333133313231331121133131133132311213223   <<    C11112331333132311331333133313331333132313311211331311331323112132233   >>      C11112331333132311331333133313331333132313311211331311331323112132232   >>