1 0x224c    0xffe2
   2 0x225d    0x22a5
   3 0x2265    0x221a
   4 0x2269    0x222b
   5 0x2d70    0x2252
   6 0x2d71    0x2261
   7 0x2d77    0x2220
   8 0x2d7a    0x2235
   9 0x2d7b    0x2229
  10 0x2d7c    0x222a