Ballpoint pen scribble, scrub out on cardboard sheet

[[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0.001,0.001,0,0,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,0,0,0,-0.001,-0.002,-0.002,-0.002,-0.002,-0.001,0.001,0.001,-0.001,-0.001,-0.001,-0.001,-0.002,-0.002,0.007,-0.014,-0.015,0.009,0.013,0.013,0.012,0.007,-0.008,-0.008,-0.008,-0.004,0.004,0.006,0.006,0.006,0.006,0.005,0.002,0.002,-0.005,-0.005,-0.003,0.004,0.012,0.014,0.013,0.008,-0.006,-0.008,-0.009,-0.007,-0.002,0.004,0.006,0.008,0.008,0.003,-0.008,-0.01,-0.012,-0.012,-0.006,-0.006,0.019,0.01,0.035,0.035,-0.022,0.021,-0.044,-0.026,-0.022,-0.049,0.027,-0.035,0.032,0.027,0.033,0.028,-0.035,-0.053,-0.041,-0.04,0.019,0.064,-0.163,0.064,0.104,0.036,0.041,-0.119,-0.04,-0.042,-0.034,0.02,0.068,0.08,0.083,0.051,0.046,0.041,0.033,-0.011,-0.013,0.023,0.028,0.032,0.022,0.015,-0.033,0.039,-0.073,0.03,-0.052,0.018,0.022,0.035,0.028,-0.029,0.042,0.102,0.084,-0.144,-0.053,0.161,0.17,0.104,-0.215,-0.222,-0.136,0.078,0.131,0.131,0.092,-0.106,-0.057,-0.067,0.092,0.114,-0.047,-0.125,-0.125,-0.077,-0.053,0.04,0.048,0.052,0.045,0.027,0.03,-0.029,-0.003,-0.023,-0.008,-0.014,-0.022,-0.022,-0.021,-0.014,0.031,0.027,0.025,-0.02,-0.036,-0.027,0.051,-0.045,-0.034,0.038,-0.041,0.05,0.057,-0.057,-0.069,-0.069,0.187,0.187,-0.104,-0.067,-0.119,-0.053,0.049,0.143,0.074,-0.051,-0.051,0.078,-0.061,-0.127,0.101,0.191,0.166,-0.087,-0.058,-0.089,-0.101,-0.033,0.07,0.073,0.066,0.061,0.039,0.024,0.013,0.01,-0.007,-0.004,-0.015,-0.019,-0.011,0.046,0.044,0.043,-0.106,-0.056,-0.08,0.057,-0.053,-0.116,-0.096,-0.086,0.434,0.397,-0.188,-0.208,-0.291,-0.183,0.092,0.137,0.181,0.309,-0.133,-0.084,0.158,0.186,0.092,-0.176,-0.176,-0.235,-0.149,0.054,0.126,0.129,0.108,0.092,0.053,-0.062,-0.053,-0.05,-0.042,0.02,0.02,0.025,0.021,-0.008,-0.027,-0.023,-0.03,-0.045,0.054,0.067,0.067,-0.065,-0.073,0.049,-0.108,-0.107,-0.078,0.152,-0.229,0.204,0.204,-0.085,0.095,0.053,-0.142,-0.116,-0.118,0.202,0.151,0.171,0.155,0.106,-0.061,-0.155,-0.156,-0.089,-0.122,0.083,0.096,0.096,0.091,0.129,0.068,0.068,-0.074,-0.075,-0.024,0.037,0.052,0.045,0.023,-0.029,-0.036,-0.032,-0.028,0.02,0.021,-0.02,-0.021,-0.026,0.055,0.058,0.069,0.036,0.082,-0.134,-0.062,-0.133,-0.139,-0.083,0.095,0.113,0.221,-0.358,-0.248,0.115,0.115,0.145,0.243,-0.141,-0.193,-0.195,-0.145,0.078,0.195,0.202,0.161,-0.103,0.069,-0.047,-0.032,0.05,-0.061,-0.087,-0.073,-0.076,-0.045,-0.028,0.069,0.086,0.081,0.063,-0.051,-0.051,-0.036,-0.022,0.064,-0.032,0.086,0.114,0.058,-0.081,-0.117,-0.16,-0.15,0.167,0.102,0.088,0.117,0.117,-0.172,0.229,0.102,-0.1,-0.121,-0.2,-0.211,0.117,0.117,0.099,0.166,0.164,0.107,-0.105,-0.141,-0.08,-0.052,0.048,0.09,0.061,0.038,0.034,0.033,0.034,0.025,-0.011,-0.029,-0.03,-0.027,-0.015,0.008,0.012,-0.011,-0.029,-0.033,0.019,-0.056,-0.049,0.034,0.056,-0.075,-0.084,-0.096,-0.085,-0.041,0.143,-0.084,-0.123,-0.081,-0.191,-0.052,0.057,-0.183,-0.118,0.117,0.196,0.189,0.214,-0.281,-0.271,-0.216,-0.227,0.176,0.14,0.11,0.15,0.066,0.059,0.032,-0.056,-0.067,-0.058,-0.047,-0.038,-0.027,0.054,0.071,0.088,0.082,0.02,-0.073,-0.074,-0.096,-0.051,0.057,-0.204,0.192,0.156,0.097,0.097,-0.045,-0.138,-0.138,0.086,-0.04,-0.08,0.06,0.079,0.132,0.132,0.104,-0.1,-0.067,-0.131,-0.115,-0.096,0.135,0.12,0.135,0.11,-0.099,-0.076,-0.203,-0.203,0.083,0.133,0.133,0.059,0.021,0.053,0.052,0.038,0.025,-0.057,-0.096,-0.118,-0.199,-0.078,0.051,0.087,0.19,0.217,0.131,-0.207,-0.225,-0.225,-0.149,0.172,0.331,0.272,-0.114,0.073,0.211,0.203,0.117,-0.278,-0.278,-0.281,-0.1,0.151,0.257,0.146,0.077,0.069,-0.046,0.11,0.11,-0.103,-0.147,-0.162,-0.141,-0.083,0.076,0.135,0.133,0.104,0.041,-0.041,-0.058,-0.062,-0.038,-0.014,0.039,0.039,0.05,0.056,-0.045,-0.012,0.039,-0.054,0.061,-0.084,-0.126,0.122,-0.058,0.046,-0.113,-0.144,0.092,0.041,-0.061,0.056,0.09,0.124,0.103,-0.081,-0.081,0.084,0.118,-0.107,-0.104,-0.162,-0.162,-0.036,0.069,0.105,0.095,0.055,0.023,0.004,-0.003,0.009,0.007,0.007,-0.007,-0.014,-0.029,-0.026,-0.034,-0.035,-0.055,-0.098,0.081,-0.058,0.054,0.058,0.05,0.051,0.062,0.062,0.048,-0.126,-0.118,-0.142,0.094,0.124,0.124,0.155,0.137,-0.04,-0.054,-0.111,-0.067,-0.06,-0.076,0.141,0.1,-0.047,-0.091,-0.128,-0.106,-0.062,-0.017,0.066,0.06,0.068,0.06,0.041,-0.027,-0.06,-0.062,-0.039,0.036,0.077,0.072,0.075,0.076,-0.073,-0.094,0.048,0.176,0.11,-0.134,-0.117,-0.138,0.068,0.127,0.07,0.14,-0.185,0.299,0.309,-0.167,-0.198,-0.184,-0.173,-0.15,0.105,0.172,0.382,0.286,0.157,-0.117,-0.153,-0.166,-0.112,0.095,0.117,0.121,0.1,0.025,-0.05,-0.053,-0.056,-0.046,-0.023,0.027,0.037,0.035,0.035,0.022,-0.019,0.036,0.039,-0.033,0.02,0.053,0.046,0.044,-0.044,-0.037,-0.094,-0.193,0.05,0.149,0.149,0.198,-0.184,-0.279,-0.129,-0.129,-0.083,0.063,0.101,0.129,0.16,0.16,-0.068,-0.065,-0.065,0.083,0.07,-0.022,-0.116,-0.132,-0.102,-0.059,0.087,0.089,0.078,0.046,-0.044,-0.044,-0.058,-0.054,-0.125,-0.162,0.271,-0.095,0.075,-0.164,-0.168,-0.175,-0.108,0.092,0.126,-0.168,0.188,0.263,0.151,-0.138,-0.165,-0.42,-0.17,-0.16,0.335,0.342,0.193,-0.147,-0.173,-0.092,-0.104,-0.062,0.156,0.24,0.157,0.116,-0.095,-0.092,-0.085,-0.044,0.06,0.072,0.071,0.039,-0.018,-0.026,-0.029,-0.037,-0.041,-0.053,-0.073,-0.078,0.037,0.022,0.098,-0.15,0.104,0.11,-0.189,-0.241,-0.172,0.054,0.181,0.181,-0.062,0.138,0.138,0.161,0.214,-0.199,-0.215,-0.222,-0.481,-0.192,-0.35,0.279,0.467,0.467,0.206,-0.169,-0.236,-0.357,-0.183,-0.141,0.172,0.209,0.198,0.149,-0.075,-0.056,-0.113,-0.109,-0.033,-0.05,-0.03,0.021,-0.025,0.049,0.06,0.023,0.017,-0.019,-0.033,-0.02,0.014,0.027,0.033,0.04,0.029,0.019,0.014,-0.013,-0.015,-0.013,0.009,0.017,0.023,0.022,0.019,0.012,-0.004,-0.008,-0.01,-0.01,-0.008,-0.006,-0.004,0.002,0.003,0.003,0.001,-0.003,-0.006,-0.007,-0.007,-0.005,-0.002,-0.001,0.001,0.001,-0.002,-0.003,-0.003,-0.003,-0.002,-0.002,-0.002,-0.001,0.001,0.002,0.002,0.001,-0.001,-0.001,-0.001,-0.001,-0.001,0,0,0,0.001,0,0,0,-0.001,-0.001,-0.001,0,0.001,0.001,0.001,0.001,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]]