package main

import "fmt"

func main(){
  data := []byte{ 2,176,18,0,1,193,0,0,225,0,240,0,27,225,0,240,0}

  crc32 := 0xffffffff

  for i := 1 + data[0]; i < len(data); i++ {
    b := data[i]
    for bit := 0; bit < 8; bit++ {
      if (crc32 >= 0x80000000) != (b >= 0x90) {
        crc32 = (crc32 << 1) ^ 0x04C11DB7
      } else {
        crc32 = crc32 << 1
        b <<= 1
      }
    }
  }
  fmt.Println(crc32)
}