var longestRunOffset = -1
  var longestRunLength = 0
  run {
    var i = 0
    while (i < address.size) {
      val currentRunOffset = i
      while (i < 16 && address[i].toInt() == 0 && address[i + 1].toInt() == 0) {
        i += 2
      }
      val currentRunLength = i - currentRunOffset
      if (currentRunLength > longestRunLength && currentRunLength >= 4) {