Knife scrape on plastic chopping board 1

[[0,0,0,0,0,0,0,0,0,0,0,0,0,-0.001,0,0.001,-0.001,-0.001,-0.001,0.002,-0.003,-0.003,-0.003,-0.004,-0.002,-0.004,-0.006,-0.006,0.012,-0.009,-0.014,0.012,0.006,-0.02,0.016,0.011,-0.016,-0.01,0.011,0.019,0.019,-0.019,-0.015,0.012,-0.008,-0.017,0.035,-0.024,-0.023,-0.012,0.023,-0.022,0.06,0.066,-0.051,-0.053,0.032,0.036,-0.051,0.032,0.079,0.061,-0.077,-0.057,0.032,0.038,-0.023,0.11,0.11,-0.089,-0.06,0.075,0.04,0.04,0.068,0.285,-0.165,-0.09,-0.067,0.064,0.056,0.088,0.112,-0.072,0.127,0.1,-0.075,0.053,0.05,0.068,0.21,-0.161,-0.077,-0.082,-0.126,0.162,0.109,-0.195,0.228,-0.176,-0.174,-0.174,-0.094,0.083,-0.062,-0.092,0.181,-0.084,-0.144,-0.087,0.041,-0.043,0.038,-0.073,0.057,-0.048,-0.079,-0.059,0.074,-0.13,-0.117,-0.164,0.078,0.06,-0.097,-0.048,-0.043,-0.067,-0.066,-0.058,0.037,-0.092,0.061,-0.07,-0.145,0.087,-0.076,-0.076,0.047,-0.059,-0.057,0.122,-0.082,0.068,-0.103,-0.103,0.315,-0.253,-0.137,-0.158,-0.092,0.118,-0.078,0.085,-0.126,0.127,0.14,-0.229,0.217,-0.219,-0.181,-0.101,-0.097,0.054,0.053,0.035,0.029,0.045,0.095,0.095,0.103,-0.12,-0.072,0.073,-0.038,0.061,0.068,-0.077,0.046,0.109,0.06,0.113,0.104,0.104,-0.096,0.049,0.035,0.07,0.04,0.089,0.057,0.206,0.105,0.18,-0.151,0.093,-0.024,-0.034,0.088,-0.052,-0.039,0.116,-0.078,0.133,-0.067,-0.114,-0.114,-0.081,0.048,0.034,-0.066,-0.034,-0.064,-0.064,-0.075,0.122,-0.122,-0.097,0.053,-0.119,-0.032,0.041,-0.048,-0.036,0.048,0.048,-0.053,0.104,-0.1,-0.122,-0.053,-0.044,-0.035,-0.017,0.035,-0.039,0.044,-0.04,0.047,-0.085,0.077,0.045,-0.099,-0.09,0.03,-0.041,-0.071,0.124,0.067,-0.062,0.081,-0.065,-0.039,-0.089,0.112,-0.097,-0.097,0.1,0.104,0.095,0.082,-0.048,-0.045,0.124,0.124,0.119,-0.142,-0.173,-0.173,0.157,-0.16,-0.159,0.11,0.104,0.144,0.149,-0.073,0.098,0.14,0.153,-0.162,-0.061,0.09,-0.034,0.054,0.075,-0.085,0.048,0.032,0.151,0.159,-0.143,-0.145,0.083,-0.126,0.047,0.03,-0.05,0.085,-0.193,0.208,-0.138,-0.193,0.071,-0.074,-0.064,0.091,-0.113,0.136,-0.095,-0.121,0.072,-0.077,-0.084,-0.079,-0.052,0.034,-0.061,-0.147,0.163,0.082,-0.091,0.135,-0.071,-0.083,-0.059,0.066,0.066,-0.06,0.061,0.137,0.275,0.275,-0.196,-0.23,0.103,0.077,-0.053,0.081,0.109,-0.072,0.132,-0.071,0.096,-0.137,-0.054,-0.019,0.055,0.059,-0.132,0.123,-0.097,-0.106,0.125,0.105,-0.174,-0.069,-0.065,-0.069,0.094,0.099,0.094,0.173,-0.221,0.172,0.164,-0.223,-0.135,-0.063,0.074,0.074,-0.068,-0.03,0.063,0.049,0.192,0.117,-0.131,-0.123,0.062,0.03,0.023,0.103,0.064,0.021,-0.073,0.109,0.106,-0.143,-0.143,-0.113,-0.049,0.091,-0.099,0.08,0.076,0.051,-0.1,-0.1,0.239,-0.139,-0.117,0.081,-0.039,0.056,0.078,0.054,0.054,-0.042,0.04,0.163,0.166,-0.173,-0.169,0.052,-0.06,-0.085,0.099,-0.084,-0.084,0.076,-0.119,0.128,0.147,-0.101,-0.099,0.068,-0.035,0.055,0.045,-0.055,-0.055,-0.044,-0.082,0.252,-0.167,-0.227,-0.129,-0.089,-0.071,-0.033,0.086,0.086,-0.051,-0.065,0.098,-0.1,0.167,-0.191,-0.138,-0.053,0.076,0.079,0.075,0.104,-0.144,-0.125,-0.057,0.076,0.182,0.162,-0.094,-0.087,0.055,0.06,0.028,0.103,0.058,-0.059,0.066,-0.016,0.118,0.236,-0.13,-0.095,0.079,0.031,0.052,0.082,0.088,-0.073,-0.125,0.112,0.143,0.047,-0.084,0.056,-0.115,-0.174,0.084,0.034,0.03,0.059,-0.061,-0.079,-0.031,-0.032,-0.077,0.151,-0.115,-0.08,-0.027,-0.028,0.019,0.057,0.048,-0.022,-0.038,-0.013,-0.081,0.079,0.081,-0.21,-0.178,-0.066,-0.029,-0.042,0.056,0.056,-0.039,-0.066,-0.069,-0.094,0.05,0.062,0.217,-0.186,-0.231,0.166,-0.095,0.085,0.092,0.104,-0.043,-0.064,0.044,-0.057,0.072,0.11,0.173,-0.191,0.046,-0.068,-0.122,0.116,0.086,0.065,0.038,-0.075,-0.075,0.066,-0.136,0.127,-0.176,-0.162,-0.08,0.049,0.073,0.068,0.077,-0.027,-0.039,0.038,0.058,-0.191,0.205,-0.117,-0.18,-0.094,-0.097,0.093,0.058,0.041,0.092,0.111,0.111,-0.12,-0.071,0.233,-0.181,-0.132,-0.094,0.047,0.056,0.094,0.072,-0.074,0.078,0.078,0.099,0.197,-0.173,-0.138,0.098,0.074,-0.035,0.031,0.051,-0.018,0.061,-0.072,0.255,0.246,-0.212,-0.202,0.106,0.064,-0.093,0.066,0.109,-0.139,0.093,-0.047,-0.109,0.134,-0.171,-0.129,0.078,-0.029,0.04,0.066,0.066,-0.046,-0.059,0.029,-0.132,0.172,-0.22,-0.21,-0.147,0.048,0.035,0.039,0.132,-0.093,-0.167,-0.113,0.163,0.124,-0.167,-0.235,-0.209,0.102,0.042,0.068,0.057,0.067,0.097,0.104,-0.134,-0.154,-0.205,0.131,0.1,-0.121,0.195,0.113,-0.24,0.071,0.108,0.198,-0.154,-0.182,-0.142,0.102,0.029,-0.027,0.064,0.048,-0.08,0.389,-0.317,-0.209,-0.297,0.239,0.076,-0.075,0.123,0.118,-0.132,0.042,0.13,-0.09,0.188,-0.145,-0.115,0.117,-0.065,0.06,0.067,0.043,0.143,-0.192,-0.237,-0.176,-0.195,-0.145,0.234,-0.133,0.117,0.072,-0.081,0.146,0.178,-0.153,-0.142,-0.115,-0.133,0.12,0.12,0.089,0.091,-0.052,0.031,-0.249,0.431,-0.458,-0.388,-0.239,0.162,-0.13,-0.125,0.081,-0.16,-0.124,0.106,0.224,-0.167,-0.145,-0.127,0.088,-0.074,0.083,0.123,-0.094,-0.089,-0.118,0.164,0.147,-0.315,-0.134,-0.11,0.077,0.067,0.068,-0.073,-0.055,0.086,0.274,-0.272,-0.224,-0.264,-0.064,0.162,-0.092,0.12,0.076,-0.069,0.076,0.19,0.19,-0.162,-0.165,-0.159,0.089,0.089,0.083,0.081,0.021,-0.063,0.062,0.077,0.162,0.216,-0.145,-0.3,0.115,0.117,0.045,0.042,0.077,-0.078,0.111,-0.071,0.116,-0.117,0.14,-0.148,-0.156,-0.095,0.105,0.098,0.044,0.044,0.046,-0.11,-0.126,0.308,-0.2,-0.136,-0.159,-0.122,0.098,0.041,0.097,-0.208,-0.167,-0.2,0.132,0.132,-0.117,0.115,-0.225,-0.142,0.101,0.05,0.033,-0.041,0.037,-0.027,0.125,-0.127,-0.094,-0.135,-0.143,-0.129,-0.129,0.053,0.044,0.036,0.095,-0.023,0.059,-0.093,0.307,-0.267,-0.215,-0.197,0.199,0.206,-0.136,0.129,0.096,-0.105,0.179,0.123,0.175,-0.166,-0.148,0.086,-0.033,0.213,0.213,0.129,-0.277,0.21,0.137,-0.219,-0.118,0.118,-0.109,0.137,0.564,-0.369,-0.369,-0.356,0.234,0.176,-0.23,0.218,0.214,-0.218,-0.316,-0.152,0.293,-0.343,-0.292,0.401,-0.254,-0.179,0.364,0.241,-0.335,-0.297,0.399,0.297,-0.47,0.283,0.306,-0.235,-0.378,0.241,0.32,-0.197,0.048,0.065,0.034,0.018,0.05,0.05,0.026,0.014,-0.01,-0.013,-0.016,-0.018,-0.013,-0.011,-0.012,-0.008,-0.008,-0.009,-0.009,-0.007,-0.004,-0.005,-0.004,-0.001,-0.003,-0.005,-0.004,-0.004,-0.005,-0.003,-0.002,-0.002,-0.003,-0.002,-0.003,-0.003,-0.002,-0.002,-0.003,-0.003,-0.002,-0.002,-0.002,-0.002,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,0,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,0,-0.001,-0.001,-0.001,-0.001,-0.001,-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]]