C11111211113313112113313331333133313331333132313331333133313331322121111331333133313232321323221211
  >>
   C1111121111331311211331333133313331333133313231333133313331333132212111133133313331323232132322121
  <<
   C11111211113313112113313331333133313331333132313331333133313331322121111331333133313232321323221213
  >>
 
 
 C11111211113313112113313331333133313331333132313331333133313331322121111331333133313232321323221212
  >>