Footsteps on wooden staircase in old house

[[0,0,0,0,0,0,-0.003,0.001,-0.001,0.002,-0.003,0.009,0.342,-0.708,0.429,-0.305,-0.286,-0.151,-0.117,0.065,-0.099,-0.123,0.086,0.088,-0.057,0.049,0.043,-0.031,-0.039,0.028,-0.032,-0.046,0.023,0.018,0.016,0.024,-0.018,0.016,-0.017,0.016,-0.027,0.054,0.031,0.017,-0.017,0.017,-0.009,-0.019,0.01,0.006,-0.006,-0.005,-0.006,-0.008,-0.005,-0.005,0.004,0.005,-0.013,-0.02,0.016,0.019,0.018,0.015,-0.03,-0.308,0.296,-0.261,0.199,0.179,0.095,-0.115,0.112,0.072,0.059,0.062,0.043,-0.033,0.032,0.022,0.024,0.028,-0.025,-0.021,-0.017,0.035,-0.032,0.036,0.026,-0.015,0.011,0.009,0.006,0.005,0.008,-0.008,0.006,0.003,-0.003,-0.004,0.004,0.004,0.005,-0.004,-0.006,-0.009,0.011,0.006,0.008,0.019,0.04,-0.033,0.022,0.061,-0.082,-0.039,0.034,-0.034,-0.025,0.308,-0.559,-0.273,-0.239,-0.252,-0.112,0.112,-0.168,-0.085,-0.073,0.044,0.049,0.038,-0.027,0.024,0.015,-0.016,0.008,0.007,-0.015,-0.009,0.008,0.007,-0.005,-0.004,0.007,0.004,0.004,-0.008,-0.025,0.027,0.012,0.008,0.006,-0.01,-0.005,0.006,-0.009,0.009,-0.005,-0.003,0.008,-0.007,-0.002,-0.004,0.004,-0.012,-0.012,0.009,0.008,0.015,0.02,-0.022,-0.016,-0.018,-0.02,0.015,0.016,-0.714,-0.682,-0.587,0.659,-0.387,0.34,-0.158,0.139,0.089,0.105,-0.053,-0.067,-0.054,-0.044,0.033,0.036,0.026,-0.023,0.021,-0.015,-0.016,-0.009,0.012,-0.012,-0.009,-0.007,-0.009,-0.009,0.006,0.007,0.007,-0.016,-0.005,-0.006,-0.01,-0.014,0.013,0.01,-0.01,0.009,-0.01,-0.015,0.016,0.012,-0.011,0.011,0.008,0.013,0.25,-0.328,-0.271,0.367,0.315,0.247,-0.173,0.111,0.13,0.066,0.041,0.05,0.032,0.034,-0.018,-0.023,0.026,-0.02,0.016,0.022,-0.016,-0.014,0.031,0.031,0.017,-0.015,0.014,0.01,0.009,-0.009,0.007,-0.01,-0.015,0.015,-0.007,0.009,0.008,0.019,-0.031,-0.017,0.014,0.009,-0.01,-0.012,-0.017,-0.59,-0.72,-0.46,-0.391,0.337,-0.273,0.208,0.217,-0.107,0.095,-0.069,0.046,-0.064,-0.054,-0.035,-0.03,-0.021,0.027,0.015,0.02,0.01,0.019,-0.01,0.006,-0.007,0.005,0.005,0.005,0.004,0.015,-0.013,-0.015,0.016,-0.017,0.012,0.011,-0.009,0.017,0.017,-0.019,0.009,0.026,0.244,0.39,-0.365,-0.308,-0.207,0.395,-0.23,0.228,0.135,0.17,-0.079,-0.079,0.06,-0.04,0.037,0.03,0.031,0.022,0.019,-0.017,0.009,0.008,-0.005,0.005,-0.004,-0.004,-0.004,-0.005,-0.004,-0.007,0.007,-0.007,0.006,-0.008,0.008,-0.012,-0.009,0.01,0.006,0.006,0.429,-0.585,-0.355,0.272,-0.304,-0.208,-0.156,-0.145,-0.077,0.05,-0.061,0.056,-0.051,0.037,0.024,0.054,-0.023,-0.027,0.014,0.009,-0.012,0.007,-0.006,0.007,0.008,-0.006,0.004,-0.004,0.005,-0.003,0.005,-0.003,0.003,0.007,0.01,-0.009,-0.011,-0.01,-0.007,0.008,-0.008,-0.005,0.011,0.209,-0.251,-0.277,-0.204,-0.096,-0.059,-0.094,-0.071,-0.07,-0.034,-0.038,0.025,0.024,-0.017,0.017,0.013,-0.01,-0.005,-0.007,0.007,-0.006,0.007,-0.004,0.004,0.01,0.04,0.05,-0.009,0.007,0.006,0.007,0.004,0.003,0.035,0.061,-0.047,-0.007,-0.005,0.004,0.004,-0.003,-0.004,-0.003,-0.002,-0.003,-0.003,-0.005,-0.006,-0.009,0.007,0.011,0.635,0.539,-0.182,0.251,-0.18,-0.115,0.083,-0.09,-0.101,0.054,0.052,0.027,-0.03,-0.017,-0.02,-0.014,-0.013,0.012,-0.007,0.006,-0.006,-0.007,-0.007,-0.006,-0.005,0.004,-0.007,-0.004,0.004,0.005,-0.01,-0.008,0.009,0.005,-0.003,0.004,0.004,0.003,0.003,-0.003,-0.003,0.002,-0.002,0.007,0.003,0.002,0.002,0.002,-0.002,-0.003,0.002,0.003,0.007,0.232,0.135,0.106,0.062,-0.064,0.053,-0.056,0.034,-0.016,-0.023,-0.017,-0.018,0.011,-0.013,0.009,-0.009,0.009,-0.006,-0.006,0.051,0.06,-0.01,0.006,-0.005,0.005,-0.003,-0.005,0.003,-0.005,-0.003,0.004,-0.007,0.004,-0.006,0.004,0.002,-0.003,-0.003,0.002,0.004,0.003,-0.003,0.003,-0.004,0.003,-0.003,-0.002,-0.005,0.005,0.003,0.003,-0.002,0.002,0.002,0.003,-0.002,-0.002,-0.001,0.002,0.002,-0.002,0.002,0.001,0.002,-0.001,0.002,-0.002,-0.002,0.002,0.002,-0.002,0.001,-0.001,-0.002,0.002,0.002,-0.002,-0.006,-0.018,0.149,0.198,0.172,0.121,0.161,0.082,0.045,-0.066,0.034,-0.031,0.021,0.019,-0.019,-0.018,-0.011,0.01,-0.067,-0.037,-0.039,-0.016,0.013,0.01,-0.007,-0.006,-0.009,0.004,-0.005,-0.005,0.003,-0.003,0.005,-0.004,-0.003,-0.004,-0.003,0.005,0.006,-0.005,0.004,0.004,0.004,-0.004,-0.003,0.003,0.003,0.003,0.005,-0.005,-0.002,0.003,0.007,0.002,0.003,-0.002,-0.002,0.002,0.002,-0.004,-0.002,-0.004,0.012,-0.007,-0.016,0.023,0.017,0.019,0.006,0.011,0.006,0.013,0.007,0.014,-0.009,-0.009,-0.006,-0.013,-0.055,0.636,0.706,0.318,-0.5,0.36,-0.152,0.147,0.109,-0.085,0.082,-0.053,0.037,-0.028,-0.027,0.021,0.014,-0.016,0.015,-0.009,-0.009,0.01,0.006,0.01,0.009,0.006,-0.004,0.004,-0.004,0.003,-0.004,0.004,0.003,-0.003,-0.012,0.011,-0.007,0.006,0.004,0.003,-0.021,-0.023,-0.009,0.007,0.006,0.004,0.006,-0.013,-0.013,0.006,0.005,-0.003,-0.003,-0.002,-0.005,0.003,0.004,0.003,0.002,0.003,-0.001,-0.002,-0.002,-0.003,-0.005,-0.229,0.139,0.242,0.091,0.038,0.028,-0.021,-0.025,-0.085,0.075,0.046,-0.029,-0.034,0.013,0.013,-0.017,0.009,-0.009,-0.023,0.019,0.014,-0.014,-0.009,-0.009,-0.008,-0.007,0.007,-0.004,0.005,-0.004,-0.004,0.004,0.003,0.003,0.003,-0.003,-0.003,0.002,-0.002,0.002,-0.002,-0.002,0.004,-0.004,0.006,-0.007,-0.006,-0.009,-0.015,0.007,-0.008,0.008,0.006,-0.005,0.004,0.003,-0.004,-0.003,0.003,0.004,0.004,-0.002,0.003,-0.003,-0.004,-0.007,0.004,-0.004,-0.002,-0.003,-0.004,0.003,0.002,0.004,0.002,-0.003,-0.002,-0.003,0.002,-0.002,-0.002,-0.007,0.005,-0.003,0.003,0.003,0.003,0.044,-0.048,0.02,-0.016,-0.012,0.009,-0.012,-0.02,-0.009,0.006,0.006,-0.005,0.032,-0.022,-0.009,0.007,-0.007,0.013,-0.016,0.011,0.006,0.018,-0.035,0.021,-0.014,-0.028,-0.011,-0.011,0.009,0.009,-0.006,0.005,-0.004,0.003,-0.003,-0.002,-0.002,0.002,0.002,0.002,0.002,0.002,-0.002,-0.003,-0.003,-0.003,0.002,-0.004,0.005,0.002,-0.003,0.003,-0.002,0.002,0.002,0.001,-0.002,-0.002,-0.002,-0.003,-0.002,-0.003,-0.003,0.003,0.003,0.003,0.003,-0.003,-0.003,0.004,-0.004,-0.116,0.077,0.025,0.027,-0.031,0.028,-0.042,0.031,0.028,0.01,0.021,-0.013,0.007,-0.007,0.007,0.006,0.005,-0.004,-0.004,0.004,-0.003,0.004,0.004,-0.004,-0.005,-0.006,-0.005,0.005,-0.004,-0.005,-0.006,0.007,0.003,-0.01,-0.004,-0.003,0.003,-0.002,-0.003,-0.003,0.002,-0.002,0.002,0.002,0.003,-0.004,0.006,-0.004,0.005,-0.008,-0.005,0.005,0.004,0.004,0.003,-0.003,-0.002,-0.002,0.003,0.002,0.002,0.002,0.001,0.003,-0.002,0.003,0.002,-0.003,-0.003,-0.004,-0.088,0.018,0.014,-0.021,-0.013,0.01,0.012,-0.008,0.012,0.014,0.013,-0.011,0.007,0.007,-0.005,-0.005,0.004,0.005,-0.008,-0.006,0.008,-0.008,-0.006,0.006,0.003,-0.006,-0.006,-0.003,0.002,0.003,0.002,0.007,0.002,-0.002,0.002,-0.002,-0.002,0.002,0.001,-0.001,0.001,0.001,-0.001,0.001,0,0,0,0,0,0,0,0,0]]