text: 'use strict'
  const levelDB = require('levelup')('./levelDB')
  let games = []
  for (let a = 0; a < 9; a++) {
      games[a] = []
      for (let b = 0; b < 9; b++) {
          games[a][b] = []
          for (let c = 0; c < 9; c++) {
              games[a][b][c] = []
              for (let d = 0; d < 9; d++) {
                  games[a][b][c][d] = []
                  for (let e = 0; e < 9; e++) {
                      games[a][b][c][d][e] = []
                  }
              }
          }
      }
  }
  
  levelDB.createReadStream()
      .on('data', function(data) {
          if (data.value == '') {
              console.log(data.key);
          }
      })
      .on('error', function(err) {
          console.log('Oh my!', err)
      })
      .on('close', function() {
          console.log('Stream closed2')
      })
      .on('end', function() {
          console.log('Stream closed1')
      })
  