code: function e7() {
    const d0 = (Math.random() * 0xffffffff) | 0;
    const d1 = (Math.random() * 0xffffffff) | 0;
    const d2 = (Math.random() * 0xffffffff) | 0;
    const d3 = (Math.random() * 0xffffffff) | 0;
  
    return `${lut[d0 & 0xff] +
    lut[(d0 >> 8) & 0xff] +
    lut[(d0 >> 16) & 0xff] +
    lut[(d0 >> 24) & 0xff]}-${lut[d1 & 0xff]}${lut[(d1 >> 8) & 0xff]}-${lut[
      ((d1 >> 16) & 0x0f) | 0x40
    ]}${lut[(d1 >> 24) & 0xff]}-${lut[(d2 & 0x3f) | 0x80]}${lut[
      (d2 >> 8) & 0xff
    ]}-${lut[(d2 >> 16) & 0xff]}${lut[(d2 >> 24) & 0xff]}${lut[d3 & 0xff]}${lut[
      (d3 >> 8) & 0xff
    ]}${lut[(d3 >> 16) & 0xff]}${lut[(d3 >> 24) & 0xff]}`;
  }
docs: Hack (http://stackoverflow.com/a/21963136)