C3132121111331312113313331333133313331333133313233313133313231221
  >>
   C313212111133131211331333133313331333133313331323331313331323122
  <<
   C3132121111331312113313331333133313331333133313233313133313231223
  >>
 
 
 C3132121111331312113313331333133313331333133313233313133313231222
  >>