C11233112221333131311331311331333132313331322331122333211
  >>
   C1123311222133313131133131133133313231333132233112233321
  <<
   C11233112221333131311331311331333132313331322331122333213
  >>
 
 
 C11233112221333131311331311331333132313331322331122333212
  >>