{
  "tile":
  [
    [ "grass", "grass-1" ],
    [ "grass-medium", "grass-3" ],
    [ "grass-dry", "grass-2" ],
    [ "dirt", "dirt-3" ],
    [ "dirt-dark", "dirt-6" ],
    [ "sand", "sand-1" ],
    [ "sand-dark", "sand-3" ]
  ]
}