form.lua

f = {}
f[1] = 1
f[2] = 1
f[3] = 1
f[9] = 1
f[4] = 2
f[11] = 2
f[18] = 2
f[19] = 2
f[5] = 3
f[12] = 3
f[6] = 4
f[7] = 4
f[13] = 4
f[14] = 4
f[8] = 5
f[15] = 5
f[16] = 5
f[23] = 5
f[22] = 6
f[29] = 6
f[30] = 6
f[10] = 7
f[17] = 7
f[24] = 7
f[31] = 7
f[25] = 8
f[32] = 8
f[20] = 9
f[26] = 9
f[27] = 9
f[33] = 9
f[21] = 10
f[28] = 10
f[34] = 10
f[35] = 10

g = {}

g[1] = {colors.red, false}
g[2] = {colors.lime, false}
g[3] = {colors.orange, false}
g[4] = {colors.blue, false}
g[5] = {colors.brown, false}
g[6] = {colors.magenta, false}
g[7] = {colors.pink, false}
g[8] = {colors.lightBlue, false}
g[9] = {colors.green, false}
g[10] = {colors.cyan, false}

sol = {false, true, false, false, true, false, false, false, false, true}
sol[1] = false
sol[2] = true
sol[3] = false
sol[4] = false
sol[5] = true
sol[6] = false
sol[7] = false
sol[8] = false
sol[9] = false
sol[10] = true

function pixel2coord(pixel)
    pixel = pixel-1
    y = math.floor(pixel / 7)
    x = pixel % 7
    return x+1, y+1
end

function coord2pixel(x, y)
    x = x-1
    y = y-1
    pixel = y * 7 + x
    return pixel+1
end

function hitAllPoints(pixel)
    for i=1, 35, 1 do
        if f[i] == f[pixel] then
            x,y = pixel2coord(i)
            if g[f[i]][2] then
                paintutils.drawPixel(x,y,colors.white)
            else
                paintutils.drawPixel(x,y,g[f[i]][1])
            end
        end
    end
    g[f[pixel]][2] = not g[f[pixel]][2]
end

function touched(x, y)
    pixel = coord2pixel(x,y)
    hitAllPoints(pixel)
end

function checkSolution()
    return not (g[1][2] or g[3][2] or g[4][2] or g[6][2] or g[7][2] or g[8][2] or g[9][2]) and g[2][2] and g[5][2] and g[10][2]
end

term.setBackgroundColor(colors.white)
term.clear()

while true do
    local event, side, x, y = os.pullEvent("monitor_touch")
    touched(x, y)
    if checkSolution() then
        redstone.setOutput("back", true)
    else
        redstone.setOutput("back", false)
    end
end