Marker pen draw squares on whiteboard

[[0.217,-0.197,-0.058,0.092,0.034,0.024,0.016,-0.013,-0.021,-0.027,-0.019,0.017,0.02,-0.026,-0.026,0.025,0.027,0.027,-0.035,0.023,-0.022,0.018,-0.025,-0.023,-0.017,0.029,0.035,0.029,-0.036,-0.029,-0.029,0.023,0.049,-0.029,0.029,-0.031,-0.015,0.024,-0.027,-0.026,0.036,-0.032,-0.02,-0.028,-0.034,0.03,0.051,0.019,0.031,-0.024,0.023,0.029,-0.027,0.029,-0.021,0.024,-0.026,0.033,0.021,0.024,0.032,0.029,0.041,0.037,-0.033,0.025,-0.026,-0.038,0.026,-0.024,0.015,-0.015,-0.015,0.009,0.006,0.008,0.005,0.014,0.012,-0.013,-0.015,-0.017,-0.013,0.008,0.009,0.008,0.004,-0.001,-0.001,0.002,0.002,0.002,0.002,0.001,0.001,0.001,0.001,0.001,0.001,0,0,0.001,0.001,0.001,0.001,0,-0.001,0,-0.001,0.21,-0.586,0.275,-0.217,-0.194,0.09,0.114,0.098,0.039,-0.055,-0.041,-0.022,0.015,0.023,0.023,-0.022,-0.029,-0.023,0.022,0.016,-0.015,0.025,-0.015,-0.018,-0.015,-0.011,0.014,0.014,0.012,0.013,0.008,0.009,-0.013,-0.008,0.019,0.017,0.02,-0.023,-0.022,-0.018,-0.025,-0.016,0.016,0.022,0.03,0.018,0.012,-0.019,-0.019,0.012,-0.013,0.018,0.016,0.021,-0.022,0.018,-0.026,0.02,0.02,-0.021,-0.013,0.013,-0.019,0.014,-0.022,0.022,0.022,0.02,0.012,-0.013,0.019,-0.018,0.013,0.013,-0.015,0.019,0.019,-0.016,0.013,0.018,-0.017,-0.017,0.017,0.023,0.029,-0.019,-0.038,-0.042,0.041,0.052,-0.052,-0.074,0.09,0.084,-0.058,-0.087,0.064,0.058,-0.075,-0.079,0.142,-0.073,-0.062,0.1,0.127,-0.066,-0.061,0.045,0.054,0.06,-0.067,0.052,0.096,0.038,0.04,-0.028,-0.033,-0.022,0.014,-0.012,0.066,0.04,0.036,0.018,0.018,-0.02,-0.027,-0.028,-0.007,0.013,0.01,0.004,-0.006,-0.006,-0.003,0.002,0.002,0.002,-0.001,0.001,0.002,0.002,0.001,0,0,0.001,0.001,0.001,0.002,-0.011,-0.689,-0.623,0.341,-0.232,-0.203,0.094,0.119,0.042,-0.071,-0.082,0.042,-0.035,-0.018,0.019,0.021,-0.021,0.02,0.017,-0.02,-0.028,-0.024,0.026,0.022,0.016,0.01,0.019,0.019,0.019,0.036,0.029,0.027,-0.038,0.05,-0.033,-0.032,-0.04,0.035,-0.035,-0.028,0.038,0.029,-0.036,0.024,0.032,0.029,-0.026,0.033,0.043,0.041,-0.026,0.027,0.029,-0.031,0.048,-0.04,0.037,0.037,-0.029,0.03,-0.032,-0.037,-0.033,0.042,-0.033,0.029,-0.029,0.027,-0.02,-0.021,-0.015,0.015,-0.014,0.015,-0.026,-0.026,0.016,0.015,-0.023,-0.024,0.02,-0.018,0.02,0.014,0.008,0.014,-0.008,-0.007,0.006,0.007,0.008,-0.007,0.01,0.01,-0.013,-0.011,0.018,0.015,-0.017,-0.016,-0.022,0.02,0.022,0.027,0.022,0.027,0.02,-0.038,0.034,0.043,0.027,-0.04,-0.034,0.023,0.031,0.052,-0.029,-0.047,-0.034,0.043,0.038,0.036,-0.029,0.034,-0.042,0.039,0.038,0.049,-0.048,-0.045,0.06,-0.035,0.046,-0.023,-0.033,0.026,-0.02,0.026,0.029,0.024,0.022,0.015,-0.016,-0.011,-0.012,-0.008,0.007,-0.01,0.01,-0.01,0.008,-0.011,0.008,0.008,0.006,-0.007,0.007,0.007,-0.008,-0.009,-0.012,0.014,0.019,0.014,0.018,-0.015,0.026,-0.023,0.017,0.021,0.041,-0.025,0.027,-0.031,-0.018,-0.031,-0.036,-0.033,0.04,0.04,0.026,0.028,0.028,0.033,-0.027,-0.021,-0.021,-0.024,0.022,0.019,-0.03,-0.019,-0.028,0.02,-0.021,-0.026,0.015,0.023,0.027,-0.023,-0.034,0.128,0.069,-0.049,-0.033,0.019,0.04,0.036,0.05,-0.052,0.023,0.02,0.021,-0.024,-0.023,0.028,0.028,-0.059,0.065,0.043,-0.019,-0.04,0.023,0.007,0.05,0.044,0.041,-0.016,0.011,0.008,-0.009,-0.004,0.007,-0.003,0.007,0.004,-0.001,-0.005,-0.005,-0.004,0.002,0.002,-0.003,-0.004,-0.004,-0.003,-0.002,-0.001,0,-0.001,0,0.001,0.001,0,0,-0.001,-0.001,-0.001,-0.001,0,0.001,0.001,0.323,-0.595,0.443,-0.271,-0.212,0.073,0.134,0.126,-0.029,-0.044,0.262,0.087,-0.039,-0.044,-0.025,0.021,-0.033,-0.022,0.015,-0.019,0.031,0.019,0.023,0.025,-0.022,-0.024,-0.03,0.031,0.028,0.028,0.034,-0.023,-0.016,0.017,0.031,0.037,-0.033,0.021,0.026,0.028,0.023,0.021,0.029,0.021,0.038,-0.03,0.041,0.033,-0.037,0.022,-0.027,-0.032,-0.032,0.034,0.022,-0.034,-0.03,-0.046,-0.033,-0.034,0.03,-0.026,0.027,-0.021,0.025,-0.022,0.026,0.034,0.02,0.021,-0.02,-0.023,-0.029,0.025,0.032,0.033,-0.023,-0.033,-0.027,-0.024,-0.024,0.027,0.041,-0.031,-0.037,-0.032,-0.041,0.038,0.04,0.032,-0.045,0.028,0.048,-0.037,0.04,-0.036,0.052,0.032,0.036,0.031,-0.035,0.035,-0.032,-0.039,0.029,-0.021,-0.013,0.016,-0.015,0.011,0.005,0.007,0.004,-0.004,-0.003,0.003,0.005,0.005,-0.004,-0.006,-0.007,-0.005,0.003,0.004,0.003,0.002,0,-0.001,-0.001,0,0.001,0.001,0.001,0.001,0.001,0.001,0.002,0.002,0.002,0.001,0.002,0.464,-0.54,0.227,-0.332,-0.161,-0.126,0.102,0.083,-0.041,-0.042,0.037,-0.03,-0.043,-0.034,0.044,0.044,-0.036,-0.049,-0.039,0.052,0.069,-0.046,-0.037,0.031,-0.024,-0.026,-0.031,0.027,0.022,-0.015,-0.028,0.019,0.037,0.025,-0.025,-0.029,-0.023,-0.022,0.03,0.022,0.022,-0.024,0.036,0.032,0.041,0.028,0.026,-0.037,0.048,-0.071,0.031,0.04,0.038,-0.036,-0.03,0.038,-0.038,0.053,0.031,-0.039,-0.029,0.041,0.037,0.035,0.031,-0.032,-0.036,0.037,0.05,-0.054,0.034,0.033,0.035,-0.031,-0.03,-0.028,0.029,0.032,0.02,-0.024,-0.026,-0.026,-0.019,0.022,0.033,0.022,-0.023,-0.016,0.012,0.02,-0.016,-0.013,0.012,0.009,-0.014,-0.011,0.006,-0.006,-0.008,-0.006,0.007,0.01,0.011,-0.009,0.012,-0.017,0.013,-0.015,-0.027,0.025,-0.022,-0.023,-0.023,0.027,-0.03,0.024,-0.028,-0.026,0.039,0.031,-0.041,-0.028,-0.024,-0.024,-0.034,0.034,0.051,-0.037,-0.026,0.052,-0.054,-0.036,-0.028,0.034,0.048,0.038,-0.078,0.05,0.044,0.056,-0.046,-0.043,-0.052,0.055,-0.052,0.036,0.031,0.044,0.025,-0.052,-0.025,0.022,0.034,-0.028,-0.03,-0.033,0.031,0.043,-0.021,-0.03,-0.033,0.033,0.036,0.036,-0.03,-0.039,-0.035,0.028,-0.054,0.032,0.039,0.035,-0.033,0.022,0.028,0.027,-0.017,-0.014,-0.015,-0.015,-0.012,-0.014,0.012,0.016,0.025,-0.008,-0.011,-0.026,-0.025,-0.011,0.014,0.014,0.008,-0.002,-0.004,-0.003,0.002,0.003,0.003,0.001,-0.001,-0.001,0.001,0.002,0.002,0.001,-0.001,-0.001,-0.001,0.002,0.002,0.424,-0.642,-0.341,-0.341,-0.174,-0.045,0.159,0.111,-0.043,-0.063,-0.036,-0.016,0.015,0.015,0.025,-0.012,-0.033,-0.019,0.015,0.013,-0.02,-0.02,0.018,-0.024,-0.024,0.023,0.033,-0.034,0.044,0.04,-0.023,0.03,-0.038,-0.047,0.024,0.042,-0.032,-0.031,-0.055,-0.05,-0.029,0.036,-0.012,-0.005,-0.006,-0.003,-0.002,0.003,0.003,0.001,-0.002,-0.002,-0.002,-0.001,0.003,0.06,-0.069,0.033,-0.031,-0.031,0.027,0.026,-0.017,0.029,-0.022,-0.042,0.039,-0.024,0.025,0.026,-0.02,0.028,0.021,-0.027,0.017,-0.015,-0.017,0.023,-0.026,-0.027,-0.029,0.029,0.025,0.025,0.029,-0.03,-0.037,0.039,0.039,0.05,0.031,0.024,-0.02,0.03,-0.022,-0.021,-0.033,-0.032,0.037,0.037,-0.029,-0.036,0.03,-0.054,-0.047,-0.038,0.028,-0.032,-0.023,0.023,0.025,0.025,0.017,0.021,0.022,-0.038,0.033,0.016,0.02,-0.018,-0.019,-0.011,0.01,0.014,0.009,0.002,0.001,0]]