0 | price: 0 x: 0 y: 0
1 | price: 100 x: 0 y: 0
0 | price: 0 x: 1 y: 1
1 | price: 100 x: 1 y: 1
0 | price: 0 x: 2 y: 1
1 | price: 100 x: 2 y: 1