C11112331333132311331333132313331333131133131133133313332233131311312131   >>    C1111233133313231133133313231333133313113313113313331333223313131131213   <<    C11112331333132311331333132313331333131133131133133313332233131311312133   >>      C11112331333132311331333132313331333131133131133133313332233131311312132   >>