function setup() {

  createCanvas(400, 400);

​

  s = 20

  d = 30

​

  cx = width/2

  cy = height/2

​

  chx = pbn.length / 7 / 2 * d

  chy = (((pbn.length / 7) / 2) - 0.5) * d

​

  stroke(255)

  strokeWeight(s)

}

​

function draw() {

  background(22);

  for (p in pbn) {

    let x = p%7 * d

    let y = floor(p/7) * d

    if (pbn[p] === 1) {

    point(cx + x - chx, cy + y - chy)

    }

  }

}