        let a:Array2<f64> = array![
            [4.3552 , 6.25851, 4.12662, 1.93708, 0.21272, 3.25683, 6.53326],
            [4.24746, 1.84137, 6.71904, 0.59754, 3.5806 , 3.63597, 5.347  ],
            [2.30479, 1.70591, 3.05354, 1.82188, 5.27839, 7.9166 , 2.04607],
            [2.40158, 6.38524, 7.90296, 4.69683, 6.63801, 7.32958, 1.45936],
            [0.42456, 6.47456, 1.55398, 8.28979, 4.20987, 0.90401, 4.94587],
            [5.78903, 1.92032, 6.20261, 5.78543, 1.94331, 8.25178, 7.47273],
            [1.44797, 7.41157, 7.69495, 8.90113, 3.05983, 0.41582, 6.42932]];
