Marker writing on whiteboard with squeaks

[[0,0,0,-0.01,0.006,-0.038,-0.038,-0.012,0.004,0.002,-0.002,-0.002,0.002,0.002,0.002,0.044,0.062,0.064,-0.052,0.106,0.05,-0.06,0.086,0.106,0.11,-0.096,-0.082,0.068,0.066,-0.094,0.088,-0.082,-0.08,0.078,0.094,0.118,-0.096,-0.084,-0.116,0.102,-0.106,-0.156,0.088,0.12,-0.086,-0.112,-0.12,0.122,0.1,-0.102,-0.098,0.112,-0.07,0.118,-0.084,0.078,0.078,-0.082,-0.058,0.062,0.044,0.04,-0.018,0.016,-0.008,0.004,-0.004,-0.002,-0.004,0.09,-0.126,0.078,0.074,-0.058,-0.12,0.05,0.028,0.012,-0.008,0.008,-0.006,0.006,0.004,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-0.002,0.004,0.036,-0.034,-0.056,0.078,0.056,-0.062,-0.02,0.022,-0.01,-0.012,0.008,0.008,-0.004,0.004,-0.058,-0.108,-0.132,-0.11,-0.112,-0.112,-0.16,0.148,-0.128,0.086,-0.108,0.122,-0.09,-0.122,-0.146,-0.106,-0.13,-0.194,-0.126,-0.126,0.138,-0.122,-0.18,-0.09,-0.068,-0.102,0.084,-0.054,-0.022,0.024,-0.01,0.032,0.07,0.12,-0.098,0.074,-0.094,-0.074,-0.112,0.112,-0.15,-0.124,0.104,0.088,0.17,0.07,0.076,-0.104,0.104,0.13,-0.13,-0.108,0.112,0.154,-0.092,0.088,0.092,0.048,-0.016,0.01,-0.004,-0.006,0.004,0.006,-0.004,-0.004,0.002,-0.004,-0.028,-0.116,0.144,-0.148,0.136,-0.13,-0.12,-0.132,0.112,-0.08,0.08,0.106,0.044,-0.088,-0.094,0.054,-0.044,-0.032,-0.014,-0.01,0.006,-0.006,-0.004,0.002,-0.002,-0.002,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-0.002,0.002,0.018,-0.022,0.014,-0.012,0.01,-0.006,-0.008,0.006,0.004,0.01,-0.07,0.076,-0.104,0.044,0.074,0.054,-0.05,-0.054,0.072,0.1,-0.054,0.04,0.042,-0.056,-0.048,0.046,-0.062,-0.048,0.05,0.04,-0.062,-0.07,0.072,-0.062,-0.056,0.07,-0.052,0.052,-0.044,-0.026,0.008,0.004,-0.004,-0.004,0.004,0.004,-0.01,-0.004,-0.004,0.002,-0.002,0.004,0.036,-0.032,-0.018,-0.018,0.012,0.014,0.022,0.03,-0.01,-0.004,0.002,0.002,0.002,-0.002,-0.002,-0.002,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0.002,0.014,-0.032,0.028,-0.006,-0.012,-0.046,-0.088,0.052,0.052,0.082,-0.106,-0.1,-0.074,0.106,-0.116,0.128,-0.148,0.2,-0.178,-0.184,-0.148,-0.124,-0.228,0.192,-0.21,-0.298,-0.146,-0.26,-0.166,-0.146,-0.168,0.162,0.16,-0.168,0.148,0.12,-0.096,-0.102,0.068,-0.046,0.016,0.034,0.016,-0.008,0.006,0.004,0.004,-0.002,0.004,-0.058,0.124,0.094,-0.074,-0.09,-0.1,0.116,-0.12,-0.1,0.066,0.032,-0.012,0.008,-0.004,-0.004,0.004,-0.006,-0.05,0.082,0.07,-0.088,0.072,-0.092,-0.062,-0.082,0.12,0.072,-0.074,0.062,-0.072,-0.066,0.064,0.066,-0.058,-0.062,0.036,0.044,-0.046,0.044,0.074,0.068,0.074,0.098,-0.1,0.084,-0.054,0.126,-0.112,-0.086,-0.078,-0.022,0.014,0.004,-0.006,-0.004,0.006,-0.028,-0.096,-0.08,-0.076,-0.106,0.062,0.07,-0.088,0.046,-0.094,-0.068,0.088,0.104,0.102,-0.172,0.122,0.086,-0.076,0.052,0.088,-0.074,-0.08,-0.066,-0.066,-0.054,-0.024,-0.022,-0.016,0.01,-0.008,-0.008,-0.008,-0.006,0.002,0.002,0.002,0.002,0,0,0,0,0,0,0,0]]

[[0,0,0,0,0,0,0.001,-0.001,0.002,-0.002,0.005,-0.068,0.212,0.094,-0.077,0.042,0.043,0.029,-0.038,-0.027,0.021,-0.029,0.036,-0.036,-0.043,-0.034,0.031,0.027,-0.017,0.019,0.012,-0.008,0.004,0.007,0.003,-0.016,0.007,-0.017,0.018,-0.029,0.02,-0.026,0.02,-0.014,0.011,0.016,-0.017,0.024,-0.043,0.083,-0.071,-0.053,0.039,0.038,0.034,0.029,-0.012,0.003,-0.002,-0.078,-0.102,0.088,-0.109,0.049,-0.032,0.034,-0.023,0.024,0.017,-0.017,0.014,-0.012,0.012,-0.009,0.008,-0.005,0.003,0.001,0,0,0,0,0,0.009,0.007,0.002,0.003,-0.001,-0.004,0.002,0.001,0,0,0,0,0,0,0,0,-0.001,-0.001,-0.014,-0.006,0.006,0.011,0.017,-0.016,0.023,-0.016,0.015,-0.017,0.019,-0.021,0.017,-0.026,-0.031,0.023,0.014,0.021,-0.012,-0.035,0.011,-0.008,-0.016,-0.014,0.017,0.032,-0.059,0.039,-0.046,0.036,0.036,-0.03,-0.021,0.026,-0.031,0.023,-0.017,-0.019,-0.01,0.007,-0.01,-0.002,0.005,-0.018,-0.017,0.03,-0.041,-0.032,0.03,0.039,0.04,-0.036,0.031,-0.024,0.025,-0.011,0.007,-0.002,0.003,0.023,0.007,0.009,-0.003,-0.04,0.065,-0.053,0.036,0.051,-0.055,0.045,-0.024,0.013,-0.023,0.017,-0.024,0.019,-0.028,0.034,-0.028,-0.017,0.019,-0.02,0.014,-0.009,0.006,0.006,-0.007,0.006,0.008,-0.01,-0.008,0.007,0.009,-0.008,-0.009,-0.009,0.006,-0.01,-0.008,0.01,0.007,-0.01,-0.008,0.006,-0.005,0.005,0.001,0,0,0,0,0,0,0,0,0,0,0,-0.002,-0.003,0.008,-0.007,0.011,-0.005,0.012,0.006,-0.009,0.013,0.017,0.014,0.021,0.013,-0.016,0.016,-0.019,0.017,-0.01,-0.012,0.01,0.01,0.008,-0.011,0.013,-0.015,0.016,-0.022,0.02,-0.01,-0.012,0.014,-0.018,-0.007,-0.01,0.013,0.012,0.01,-0.01,0.017,-0.015,0.01,0.02,-0.017,-0.017,0.015,0.013,-0.009,0.017,0.02,-0.01,-0.023,0.019,-0.03,0.027,0.022,0.016,0.026,0.031,-0.024,-0.023,0.02,-0.033,-0.023,0.018,0.01,0.01,0.018,-0.053,0.043,-0.029,0.034,0.027,-0.021,0.025,-0.018,-0.024,-0.008,0.002,0.021,-0.014,-0.04,-0.143,-0.156,0.148,-0.085,0.071,0.035,-0.034,0.041,-0.019,-0.014,-0.014,0.013,-0.013,0.016,-0.026,-0.031,-0.027,-0.032,-0.028,0.02,-0.021,-0.027,-0.02,0.015,0.021,-0.023,0.018,0.018,-0.025,-0.018,-0.019,0.017,0.013,-0.011,0.013,-0.009,-0.01,0.007,0.011,-0.007,0.007,-0.005,0.006,0.007,-0.006,-0.01,-0.016,-0.009,-0.013,-0.015,-0.017,0.012,-0.013,-0.012,-0.012,0.009,0.008,-0.016,0.011,-0.003,0.001,-0.003,0.007,0.011,-0.013,0.017,-0.019,0.021,-0.024,0.018,-0.013,0.018,-0.012,0.014,-0.012,0.022,-0.039,0.023,0.049,-0.029,0.024,-0.019,0.022,-0.023,0.016,0.011,-0.002,-0.001,-0.013,-0.034,-0.036,0.026,-0.035,0.037,0.026,-0.017,-0.017,-0.017,-0.016,0.009,-0.007,0.006,-0.004,0.008,0.027,0.027,-0.024,-0.025,0.045,0.049,-0.034,-0.053,-0.034,-0.042,0.042,0.039,-0.022,0.021,-0.01,0.01,0.07,-0.098,0.12,-0.057,0.051,-0.015,-0.03,0.022,-0.023,0.024,-0.014,-0.018,-0.032,0.068,-0.061,0.072,0.057,0.034,-0.066,0.04,-0.017,0.014,0.018,0.013,-0.015,0.011,0.082,-0.048,0.038,-0.05,0.031,-0.027,0.028,0.019,0.018,0.017,-0.011,0.01,-0.006,-0.006,-0.005,0.003,-0.003,0.001,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-0.001,0.002,-0.008,0.012,0.012,-0.008,0.007,0.005,-0.007,-0.006,0.006,-0.009,0.008,0.006,0.01,-0.01,-0.01,0.007,-0.012,0.013,-0.01,0.024,-0.014,0.016,-0.012,-0.035,-0.016,0.023,0.018,-0.013,0.008,-0.018,0.033,0.025,0.019,0.024,0.024,-0.013,-0.01,0.009,-0.013,-0.013,-0.02,0.023,-0.019,-0.008,0.008,0.005,-0.009,-0.034,-0.034,-0.056,0.04,0.059,-0.078,0.058,-0.043,0.052,-0.047,0.038,-0.04,-0.039,0.031,0.032,0.033,-0.026,0.016,-0.012,0.009,0.005,-0.012,-0.027,0.023,-0.021,-0.01,0.01,-0.006,-0.002,0.002,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-0.001,-0.001,-0.001,0.035,-0.038,0.032,-0.024,0.013,-0.01,-0.011,-0.01,0.009,-0.012,-0.014,0.014,0.016,0.013,-0.015,-0.01,0.013,-0.008,0.009,-0.009,-0.007,0.007,0.006,-0.007,0.007,0.008,-0.011,0.009,0.014,-0.015,0.012,-0.01,0.016,0.01,-0.015,-0.014,-0.024,0.009,-0.017,0.01,-0.007,-0.01,-0.004,0.006,-0.008,-0.013,0.01,-0.016,-0.012,0.024,-0.017,-0.017,0.023,-0.011,0.016,0.014,-0.011,0.01,-0.002,0.001,0,0,0,0,-0.002,0.021,-0.054,-0.05,-0.044,-0.019,-0.029,-0.031,0.024,-0.037,0.051,0.047,0.058,-0.033,0.038,0.015,-0.006,0.003,0,0,0.004,-0.033,0.027,-0.028,0.022,-0.012,0.007,-0.002,-0.003,-0.001,-0.001,0.002,-0.003,-0.002,0.003,0.055,0.06,0.053,-0.031,0.034,-0.027,0.02,0.045,-0.025,-0.015,0.018,-0.02,-0.015,0.014,0.01,0.017,0.013,0.024,-0.02,0.018,-0.018,-0.021,-0.027,0.02,-0.025,-0.036,-0.034,0.032,-0.015,0.018,0.018,-0.007,0.006,-0.005,0.002,-0.001,0,0,0.001,0.006,-0.035,-0.043,-0.037,0.025,0.043,-0.037,0.065,-0.045,-0.046,0.034,0.037,-0.048,0.057,0.057,-0.037,0.036,-0.034,0.039,0.038,-0.02,0.022,-0.017,0.022,-0.023,0.012,-0.007,-0.005,-0.001,-0.001,-0.002,0.043,-0.042,0.046,-0.026,0.015,-0.009,-0.008,-0.004,0.002,0.016,-0.009,0.009,0.008,-0.01,0.015,-0.014,0.018,-0.017,-0.024,-0.022,-0.021,0.015,-0.012,0.007,-0.002,0,0,0.047,-0.052,0.039,-0.024,0.035,0.032,0.036,-0.019,0.023,-0.017,0.021,-0.011,0.015,0.014,0.014,-0.01,-0.006,0.005,-0.003,0.001,0.002,-0.032,-0.032,-0.007,0.028,-0.054,0.058,0.043,-0.031,-0.032,0.021,0.017,-0.021,0.025,-0.021,0.029,0.034,0.038,-0.049,0.02,0.032,-0.036,0.027,-0.019,-0.018,-0.021,0.012,-0.01,0.008,0.014,-0.015,-0.029,0.041,0.046,0.044,0.021,0.029,0.023,0.011,-0.015,-0.01,0.008,0.008,-0.012,-0.006,0.006,-0.004,-0.006,-0.006,0.003,-0.005,0.008,-0.007,-0.008,0.014,0.024,-0.02,0.016,-0.024,0.012,-0.018,0.027,-0.022,0.024,0.022,-0.03,0.049,-0.06,0.054,0.029,-0.132,-0.081,0.073,-0.043,0.044,-0.02,0.008,-0.022,-0.024,-0.022,0.017,-0.015,-0.015,-0.011,0.028,-0.03,-0.038,-0.045,0.051,0.031,-0.019,0.016,0.033,-0.015,0.024,0.031,0.028,-0.017,0.008,-0.015,0.012,0.008,-0.028,0.053,-0.042,0.049,-0.042,-0.042,-0.035,0.054,-0.039,0.025,-0.012,0.015,0.079,-0.052,0.045,-0.031,0.042,-0.051,0.029,0.04,0.063,0.074,0.025,-0.037,0.023,-0.029,0.028,0.057,0.075,0.072,0.099,0.1,-0.039,0.025,0.031,-0.03,0.028,-0.029,0.034,-0.028,0.017,-0.026,-0.055,-0.037,0.032,-0.046,-0.066,-0.055,-0.044,-0.047,0.07,-0.058,0.068,-0.033,0.034,-0.02,0.014,-0.02,0.024,0.015,0.008,-0.008,-0.007,-0.006,-0.002,-0.001,0,0,0,0,0,0]]