Test 1:
{ p: 10, q: undefined, x: 0 }
{ p: 10, q: undefined, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }
{ p: undefined, q: 11, x: 0 }

Test 2:
{ p: 10, q: undefined, x: 0 }
{ p: 10, q: undefined, x: 0 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }
{ p: 10, q: undefined, x: 12 }

Test 3:
{ p: 10, q: undefined, x: 0, y: 1 }
{ p: 10, q: undefined, x: 0, y: 1 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }
{ p: 10, q: undefined, x: 0, y: 12 }