C231311112223313112113313231111331323223313311223223323221
  >>
   C23131111222331311211331323111133132322331331122322332322
  <<
   C231311112223313112113313231111331323223313311223223323223
  >>
 
 
 C231311112223313112113313231111331323223313311223223323222
  >>