C3121113331313231323132333131313231323131323223313233313233313232233131131121
  >>
   C312111333131323132313233313131323132313132322331323331323331323223313113112
  <<
   C3121113331313231323132333131313231323131323223313233313233313232233131131123
  >>
 
 
 C3121113331313231323132333131313231323131323223313233313233313232233131131122
  >>