Mirrored stone stairs with three Black birds included.
world = {
    StoneBlock9_1 = {
        x = 20,
        y = -2,
        name = "StoneBlock9_1",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_2 = {
        x = 20,
        y = -6,
        name = "StoneBlock9_2",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_3 = {
        x = 16,
        y = -2,
        name = "StoneBlock9_3",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_4 = {
        x = 16,
        y = -6,
        name = "StoneBlock9_4",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_5 = {
        x = 16,
        y = -10,
        name = "StoneBlock9_5",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_6 = {
        x = 12,
        y = -2,
        name = "StoneBlock9_6",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_7 = {
        x = 12,
        y = -6,
        name = "StoneBlock9_7",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_8 = {
        x = 12,
        y = -10,
        name = "StoneBlock9_8",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_9 = {
        x = 12,
        y = -14,
        name = "StoneBlock9_9",
        definition = "StoneBlock9",
        angle = 0
    },
    StoneBlock9_10 = {
        x = 24,
        y = -2,
        name = "StoneBlock9_10",
        definition = "StoneBlock9",
        angle = 0
    },
    BlackBird_1 = {
        x = -20,
        y = -1,
        name = "BlackBird_1",
        definition = "BlackBird",
        angle = 0
    },
    BlackBird_2 = {
        x = -25,
        y = -1,
        name = "BlackBird_2",
        definition = "BlackBird",
        angle = 0
    },
    BlackBird_3 = {
        x = -30,
        y = -1,
        name = "BlackBird_3",
        definition = "BlackBird",
        angle = 0
    },
    SmallPiglette_1 = {
        x = 55,
        y = -1,
        name = "SmallPiglette_1",
        definition = "SmallPiglette",
        angle = 0
    }
}

