text: const shiftToNext = (str, shift) => {
    if (str === "f".repeat(24)) return "0".repeat(24)
  
    let first = str.slice(0, 13)
    let second = str.slice(13)
  
    // console.log({ str, shift, first, second })
  
    let num = parseInt(second, 16) + shift
    let num16 = num.toString(16)
  
    return first + num16
  }
  // console.log("RESULT = " + shiftToNext("5b73a34187e56a003ad5313f", 1))
  
  // const shiftToNext = (str) => {
  //   const hexa = "0123456789abcdef"
  //   let arr = str.split("")
  //   let last = arr.pop()
  //   let newIndex
  //   for (let i = 0; i < hexa.length; i++) {
  //     if (hexa[i] === last) {
  //       let newIndex = (hexa.indexOf(last) + 1) % hexa.length
  //       arr.push(hexa[newIndex])
  //     }
  //   }
  //   return arr.join("")
  // }
  
  export { shiftToNext }
  