C1111133313331323223313331333133313231323223311333332211
  >>
   C111113331333132322331333133313331323132322331133333221
  <<
   C1111133313331323223313331333133313231323223311333332213
  >>
 
 
 C1111133313331323223313331333133313231323223311333332212
  >>