Layout( buttons: [ (x: 0.0, y: 0.4), (x: 1.0, y: 0.2), (x: 2.0, y: 0.0), (x: 3.0, y: 0.2), (x: 4.0, y: 0.4), (x: 0.0, y: 1.4), (x: 1.0, y: 1.2), (x: 2.0, y: 1.0), (x: 3.0, y: 1.2), (x: 4.0, y: 1.4), (x: 0.0, y: 2.4), (x: 1.0, y: 2.2), (x: 2.0, y: 2.0), (x: 3.0, y: 2.2), (x: 4.0, y: 2.4), (x: 3.0, y: 3.2), (x: 4.0, y: 3.4), (x: 5.0, y: 3.6), ] )