{
  "input" : [
    { "item" : "petalyellow", "count" : 20 },
    { "item" : "rainbowwood", "count" : 10 }
  ],
  "output" : { "item" : "crayonyellowback", "count" : 1 },
  "groups" : [ "craftingtable", "armors", "all" ]
}