C313212111113331323312111133133313331333133313331333133313331323312111133112323232211
  >>
   C31321211111333132331211113313331333133313331333133313331333132331211113311232323221
  <<
   C313212111113331323312111133133313331333133313331333133313331323312111133112323232213
  >>
 
 
 C313212111113331323312111133133313331333133313331333133313331323312111133112323232212
  >>