TRIANGLE_WITH_NOISE = [
  [ 1,  0,  0,  0,  0,  0,  0,  1,  5,  0,  0,  1,  0,  0,  0,  0],
  [ 0,  0,  0,  0,  3,  0,  1,  9,  9,  1,  0,  0,  0,  0,  3,  0],
  [ 0,  3,  0,  0,  0,  0,  5,  1,  5,  3,  0,  0,  0,  0,  0,  7],
  [ 0,  0,  0,  7,  0,  1,  9,  1,  1,  9,  1,  0,  0,  0,  3,  0],