Two large kitchen knife blades scrape together 4

[[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,-0.002,-0.006,0.007,-0.014,-0.027,0.02,0.02,0.018,-0.06,-0.059,0.024,-0.034,-0.038,-0.012,0.017,-0.021,-0.015,0.031,-0.024,0.016,0.037,0.037,0.049,-0.056,0.053,-0.034,0.02,0.04,-0.063,-0.063,0.048,0.058,-0.045,-0.042,-0.053,-0.053,0.043,-0.036,-0.041,0.053,0.041,-0.05,0.055,0.052,0.052,-0.049,-0.027,-0.026,-0.041,-0.03,-0.03,-0.039,-0.031,-0.022,-0.053,-0.039,-0.037,-0.028,0.037,0.019,0.03,0.03,0.028,0.025,0.025,-0.019,-0.021,-0.025,-0.027,-0.023,0.018,-0.022,-0.012,0.024,-0.014,0.024,0.015,0.017,0.023,-0.016,0.018,-0.021,-0.015,-0.016,-0.015,-0.019,-0.019,0.014,-0.022,-0.014,0.015,-0.015,0.018,0.015,0.008,0.01,0.013,-0.013,0.018,-0.018,0.01,0.006,-0.012,-0.012,0.009,-0.021,-0.022,-0.012,0.011,0.016,-0.013,0.024,0.013,0.011,0.015,0.012,0.011,-0.012,-0.018,-0.019,0.018,-0.007,0.003,0.008,-0.01,-0.01,0.019,-0.017,0.016,-0.011,0.011,0.01,0.016,0.024,-0.01,-0.015,0.01,-0.015,-0.015,-0.021,0.008,-0.013,-0.015,0.015,0.014,0.008,-0.009,-0.011,0.013,-0.008,-0.016,-0.018,-0.022,0.021,-0.012,-0.014,-0.013,0.02,0.013,-0.025,0.018,0.02,-0.015,0.011,-0.017,0.011,-0.012,-0.016,0.021,0.003,0.011,-0.025,0.02,0.013,0.018,0.018,-0.022,-0.022,-0.024,0.022,0.011,-0.013,0.01,-0.016,-0.018,-0.016,-0.014,0.011,-0.007,-0.018,0.018,-0.015,0.007,-0.01,0.013,-0.026,-0.026,-0.013,0.01,-0.021,-0.021,-0.021,-0.019,0.019,-0.021,-0.017,0.018,-0.015,0.023,-0.023,-0.023,-0.021,0.023,-0.013,0.023,0.021,0.016,-0.024,0.01,-0.019,-0.029,-0.015,0.02,-0.02,-0.013,0.017,-0.016,-0.015,0.027,0.035,0.035,-0.035,-0.035,-0.012,0.01,-0.022,-0.022,-0.012,-0.018,-0.018,-0.017,-0.017,-0.012,0.024,0.016,0.032,0.056,-0.027,-0.02,0.031,-0.024,-0.039,-0.039,0.03,0.029,-0.038,-0.028,0.012,-0.022,-0.029,-0.029,-0.026,-0.024,0.028,0.01,-0.03,0.025,0.033,0.033,0.017,-0.018,-0.029,-0.026,0.03,0.049,0.049,0.032,-0.032,0.027,0.019,-0.018,-0.015,0.018,-0.015,-0.021,0.02,0.02,-0.024,0.028,-0.025,-0.017,-0.027,-0.013,0.031,-0.026,-0.035,-0.043,0.028,-0.038,-0.031,-0.031,0.015,0.02,0.027,-0.027,-0.027,0.026,-0.02,0.015,0.03,0.03,-0.021,0.019,-0.02,0.019,-0.019,0.012,-0.027,-0.039,-0.018,-0.027,0.025,-0.026,0.029,0.029,0.039,0.022,-0.027,0.044,-0.068,0.059,0.084,-0.103,0.066,0.059,-0.074,0.048,0.036,-0.037,-0.055,0.049,0.071,-0.078,-0.077,-0.057,0.032,-0.038,-0.041,0.035,-0.053,0.048,0.049,-0.059,-0.051,-0.024,-0.03,-0.034,0.027,-0.052,-0.024,-0.042,-0.041,0.041,0.018,0.024,-0.02,0.044,0.044,-0.038,0.047,-0.024,0.032,0.032,-0.015,0.022,0.022,0.033,0.026,-0.038,0.03,-0.022,-0.019,-0.044,-0.033,0.041,0.046,0.046,0.028,0.021,-0.034,0.029,0.029,0.03,-0.038,-0.019,0.014,-0.018,0.031,0.021,-0.027,-0.027,0.017,-0.029,-0.031,0.035,-0.014,0.019,-0.014,0.025,-0.044,0.031,0.037,-0.024,0.043,0.043,-0.013,0.037,0.037,0.016,0.015,-0.044,0.027,0.018,0.047,0.029,-0.022,0.034,0.034,0.026,-0.025,0.028,-0.033,0.029,-0.027,-0.023,-0.015,0.033,-0.017,-0.025,0.033,0.031,0.026,0.029,-0.038,0.018,-0.029,-0.033,0.016,-0.05,0.029,0.036,0.041,-0.027,0.025,0.023,-0.037,0.034,0.039,-0.055,-0.029,-0.021,0.016,-0.02,0.037,0.021,-0.03,-0.015,0.025,0.015,0.02,0.027,0.013,0.029,0.012,0.032,0.009,-0.022,-0.013,0.014,0.025,-0.016,0.025,0.009,-0.023,-0.011,-0.011,0.015,0.019,-0.018,-0.01,0.021,-0.005,-0.01,-0.009,-0.017,0.016,0.012,-0.018,0.008,-0.013,0.012,0.012,-0.012,-0.006,0.014,0.014,0.009,0.009,0.006,-0.011,0.006,-0.008,-0.01,0.005,-0.006,0.005,-0.008,-0.001,-0.007,0.004,-0.007,-0.004,-0.005,0.005,-0.002,-0.006,0.003,0.006,0.003,-0.005,0.003,-0.002,-0.004,0.004,0.005,0.003,0.004,0.004,-0.003,-0.003,-0.002,0.005,0.003,0.004,0.004,0.003,0.003,0.003,0.003,0.002,0.004,0.004,0.002,0.003,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.001,0.003,0.002,0.002,0.002,0.003,0.003,-0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.002,0.001,0.001,0.001,0.002,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,0.001,0.001,-0.001,-0.001,-0.001,-0.001,-0.002,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.002,-0.002,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,0,-0.001,0,-0.001,-0.001,-0.001,-0.001,-0.001,-0.001,0,-0.001,-0.001,-0.001,0,-0.001,-0.001,-0.001,0,0,-0.001,-0.001,0,-0.001,0,-0.001,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]]