C11112331333132311331333133313331333132332311331333133321123231121
  >>
   C1111233133313231133133313331333133313233231133133313332112323112
  <<
   C11112331333132311331333133313331333132332311331333133321123231123
  >>
 
 
 C11112331333132311331333133313331333132332311331333133321123231122
  >>