C11111211113313112113313331333131133133313112211211113313232212323221
  >>
   C1111121111331311211331333133313113313331311221121111331323221232322
  <<
   C11111211113313112113313331333131133133313112211211113313232212323223
  >>
 
 
 C11111211113313112113313331333131133133313112211211113313232212323222
  >>