Two halves of a coconut shell scrape together, hollow 1

[[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,-0.001,-0.001,-0.001,-0.002,-0.008,0.018,0.038,-0.048,-0.059,0.36,0.36,-0.22,0.257,-0.363,-0.293,-0.293,-0.274,0.402,0.429,0.344,0.412,-0.388,-0.455,-0.336,-0.256,-0.256,0.222,0.26,0.364,0.481,0.481,0.526,-0.507,-0.522,-0.424,-0.424,0.398,0.398,0.355,-0.258,-0.224,0.185,0.177,-0.131,-0.204,0.227,0.228,0.228,0.271,-0.179,0.154,0.139,-0.119,0.089,-0.086,-0.092,-0.093,-0.078,-0.134,0.112,0.069,-0.041,-0.151,-0.151,-0.166,-0.139,0.136,0.137,0.137,0.1,0.09,-0.114,0.124,-0.181,-0.121,-0.121,-0.107,-0.066,0.099,0.088,0.088,-0.097,-0.097,-0.082,-0.073,0.045,-0.318,0.609,-0.384,-0.359,0.314,-0.35,-0.274,0.25,0.126,0.084,0.102,-0.064,0.053,0.095,-0.08,-0.058,-0.075,-0.092,-0.059,-0.083,-0.063,0.051,0.037,0.303,-0.529,-0.419,-0.505,0.331,0.211,0.11,0.15,0.06,-0.092,-0.089,-0.104,-0.096,-0.096,-0.04,0.019,0.036,0.072,0.057,0.059,0.051,0.053,0.019,-0.034,-0.028,-0.028,-0.024,-0.03,-0.028,-0.027,-0.027,-0.051,-0.062,-0.062,-0.059,-0.053,0.062,0.062,0.066,0.037,-0.043,-0.043,-0.031,0.025,0.045,-0.036,-0.053,0.023,0.023,-0.031,-0.044,0.067,0.054,0.046,-0.028,-0.049,0.068,-0.169,0.122,0.069,-0.098,0.104,-0.138,0.133,0.192,-0.169,-0.203,-0.2,-0.09,0.055,0.067,0.046,0.042,0.086,0.058,-0.106,-0.163,-0.163,-0.195,0.167,0.175,-0.131,-0.149,-0.103,0.106,0.085,0.067,0.067,-0.039,0.039,-0.036,0.059,-0.107,-0.099,-0.099,0.154,-0.184,0.111,-0.183,-0.198,-0.198,0.169,0.082,0.112,0.112,-0.172,0.142,0.116,0.183,-0.299,0.288,-0.33,-0.28,0.428,0.337,-0.262,0.181,-0.174,-0.174,0.097,0.107,-0.049,-0.012,0.06,-0.087,0.065,-0.111,0.121,-0.115,-0.102,0.046,-0.066,-0.048,0.131,0.128,0.087,0.068,0.105,0.105,0.085,0.046,-0.043,-0.046,-0.046,-0.041,-0.035,0.031,-0.042,0.094,0.094,-0.102,0.088,0.07,0.089,0.062,0.182,0.182,0.043,-0.072,-0.072,-0.111,-0.08,-0.08,0.044,0.042,-0.041,0.055,-0.052,-0.066,0.173,-0.12,-0.151,-0.137,-0.087,0.117,0.101,0.107,0.077,-0.078,0.054,-0.053,-0.036,-0.037,-0.055,-0.038,-0.033,-0.05,0.084,0.063,-0.125,-0.125,-0.096,0.112,0.069,0.098,0.108,-0.122,0.081,0.072,-0.07,0.06,-0.071,-0.067,-0.072,0.045,0.076,-0.043,0.039,0.046,0.037,0.022,-0.014,-0.019,-0.038,-0.038,-0.048,-0.047,-0.027,0.016,0.035,0.042,0.033,0.037,0.037,0.038,-0.033,-0.026,-0.034,-0.014,-0.014,0.008,0.011,0.008,0.012,0.009,0.007,0.006,-0.005,-0.007,-0.011,-0.016,-0.015,-0.014,-0.016,-0.016,-0.011,0.007,0.01,0.007,0.011,0.009,0.009,0.002,0.005,0.005,0.007,0.004,0.006,0.004,0.004,0.002,0.003,-0.001,-0.003,-0.004,-0.004,-0.005,-0.005,-0.004,-0.004,-0.003,0.008,0.009,0.004,0.011,0.009,0.011,-0.026,-0.019,-0.021,0.027,-0.026,-0.015,0.014,0.03,-0.046,0.032,-0.026,0.024,0.024,0.028,0.025,-0.014,0.015,-0.014,-0.02,0.012,0.017,0.017,0.015,-0.008,0.01,0.009,-0.008,0.005,0.005,0.006,0.007,0.008,0.006,0.008,-0.003,-0.003,-0.007,-0.009,-0.009,-0.007,-0.007,0.004,0.007,0.012,0.012,0.012,0.01,0.01,0.008,0.005,0.006,0.004,0.003,0.003,0.003,0.002,-0.003,-0.003,-0.004,-0.006,-0.006,-0.006,-0.005,-0.005,-0.002,0.003,0.004,0.005,0.005,0.005,0.004,0.002,-0.001,-0.003,-0.004,-0.005,-0.003,-0.004,0.002,0.003,0.002,0.003,0.002,0.001,0.003,0.002,-0.002,-0.001,0.002,0.001,0.001,0.001,0.002,0.003,0.003,0.003,0.005,0.003,-0.006,0.005,-0.008,0.008,0.014,-0.009,0.019,0.016,-0.019,0.011,-0.012,-0.009,0.016,-0.018,0.022,-0.014,-0.021,0.025,-0.03,-0.062,-0.076,0.061,0.083,-0.076,-0.069,0.052,-0.052,-0.057,-0.035,0.024,0.035,-0.025,-0.041,0.027,0.031,0.027,-0.029,0.031,-0.069,-0.145,0.176,-0.237,0.25,-0.179,0.226,-0.228,0.196,-0.174,-0.125,-0.099,-0.103,0.076,0.076,-0.061,0.068,0.086,0.061,0.025,0.029,-0.042,-0.023,-0.018,-0.015,-0.021,-0.015,-0.025,-0.015,-0.016,-0.021,0.024,0.023,0.027,-0.019,-0.022,0.021,0.032,-0.011,0.033,0.031,0.027,0.019,-0.009,0.023,0.018,0.018,-0.024,-0.021,-0.036,-0.023,0.029,0.029,-0.031,-0.031,-0.016,0.023,0.03,-0.034,0.035,-0.027,-0.024,0.036,-0.039,0.075,-0.067,-0.045,0.044,0.035,0.043,0.043,-0.078,-0.078,-0.037,0.06,0.056,-0.095,0.083,0.103,-0.115,0.116,-0.095,0.074,0.089,0.089,0.103,-0.075,0.087,-0.07,-0.086,-0.055,0.109,-0.102,0.078,0.206,-0.195,0.159,-0.189,0.421,0.316,-0.192,0.149,0.172,-0.163,0.055,0.056,-0.042,0.063,-0.065,-0.112,-0.117,-0.093,-0.083,-0.083,-0.06,-0.064,0.064,-0.046,-0.064,-0.04,-0.069,-0.049,-0.054,0.05,-0.08,0.089,0.181,-0.162,0.155,0.157,0.097,-0.111,-0.076,-0.141,-0.097,-0.169,-0.187,-0.187,0.139,0.119,-0.059,0.059,0.083,0.046,-0.102,0.119,-0.113,-0.16,-0.181,-0.121,0.093,-0.061,0.036,-0.026,0.026,0.036,0.035,0.04,0.061,0.053,0.028,0.036,-0.056,0.136,-0.175,-0.196,-0.196,-0.145,-0.114,-0.137,0.105,0.079,0.064,0.064,0.048,0.048,0.055,0.058,0.05,0.03,-0.032,-0.017,-0.048,-0.034,0.041,0.097,-0.162,-0.208,-0.214,-0.107,0.127,0.083,0.142,0.136,-0.115,-0.13,-0.13,-0.109,-0.043,0.078,-0.097,0.055,-0.052,-0.044,-0.025,-0.054,0.044,0.07,0.066,0.143,0.105,0.08,0.07,-0.025,0.046,-0.066,-0.08,-0.093,-0.056,0.065,-0.086,-0.088,0.097,-0.065,0.052,-0.04,-0.056,-0.056,0.018,-0.02,0.047,0.051,-0.072,0.048,-0.052,0.057,0.116,0.116,0.099,0.099,0.099,0.088,-0.062,0.036,0.043,-0.045,0.075,0.044,-0.062,-0.044,0.044,0.09,-0.071,0.071,-0.068,-0.073,-0.073,-0.067,0.042,0.057,0.051,-0.028,0.058,0.061,0.044,0.028,-0.027,-0.037,-0.034,-0.045,-0.024,-0.024,0.007,0.018,0.017,0.017,0.012,0.01,0.014,-0.031,-0.013,0.02,-0.032,-0.017,0.023,0.024,0.02,0.016,0.008,-0.01,-0.009,-0.009,-0.004,0.006,-0.006,0.003,0.006,0.009,0.006,-0.006,-0.008,0.009,0.012,-0.017,-0.013,-0.016,-0.009,-0.008,-0.006,-0.004,-0.004,0.004,0.006,0.007,0.005,-0.006,0.004,0.005,0.01,-0.011,0.028,0.015,0.039,0.032,-0.029,0.049,0.009,-0.03,-0.072,0.055,0.076,0.055,-0.042,0.079,-0.097,0.122,-0.084,0.12,-0.091,-0.088,0.128,0.061,-0.109,-0.083,-0.033,0.034,0.024,0.028,0.029,0.026,0.013,0.005,-0.011,-0.038,-0.024,-0.024,-0.013,0.016,0.013,0.014,0.013,0.014,0.014,0.007,-0.008,-0.008,-0.011,-0.009,-0.009,-0.006,0.004,0.006,0.01,0.01,0.007,0.003,0.003,-0.003,-0.004,-0.004,-0.004,-0.004,-0.003,-0.003,-0.003,-0.002,-0.002,-0.003,-0.003,-0.002,-0.002,-0.002,-0.002,-0.001,0,0.001,0.002,0.002,0.002,0.002,0.001,0.001,-0.001,-0.001,-0.001,-0.001,0,0.001,0.001,0.001,0.001,0.001,0.001,0,0,-0.001,-0.001,0,0,0,0,0.001,0.001,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]]