C11112331333132311331333133313231333133313331321123131211
  >>
   C1111233133313231133133313331323133313331333132112313121
  <<
   C11112331333132311331333133313231333133313331321123131213
  >>
 
 
 C11112331333132311331333133313231333133313331321123131212
  >>