// fork from System:シンプル
scale(0.1)
  scale(4)
   fs("#ddd")
    font("Sigmar One")
     grid(5,5)
      scale(rand() * 0.4+0.2)
       rotate(rand())
        text("2019")
  fs("red")
   font("DejimaMincho")
    grid(20,20)
     scale(rand())
      text("猪")