partitions tested: 364  min of [F - c_H - 0.06 m] = 0.04663
  N= 1: smallest slack 0.04663  (F=0.18109, m=1.00000, hex)
  N= 2: smallest slack 0.36828  (F=0.47245, m=0.49514, hexfine)
  N= 3: smallest slack 0.36057  (F=0.45308, m=0.30065, hex)
  N= 4: smallest slack 0.52145  (F=0.60888, m=0.21598, hexfine)
  N= 5: smallest slack 0.50154  (F=0.58575, m=0.16246, hex)
  N= 6: smallest slack 0.57571  (F=0.65701, m=0.11384, hex)
  N= 8: smallest slack 0.65062  (F=0.72994, m=0.08097, hex)
  N= 9: smallest slack 0.43616  (F=0.51530, m=0.07794, lattice h=0.300 off=0.00)
  N=10: smallest slack 0.64663  (F=0.72384, m=0.04576, lattice h=0.300 off=0.77)
  N=14: smallest slack 0.60807  (F=0.68465, m=0.03531, lattice h=0.300 off=0.31)
  N=15: smallest slack 0.79155  (F=0.86794, m=0.03204, hexfine)
  N=20: smallest slack 0.74321  (F=0.81933, m=0.02746, hex)
  N=22: smallest slack 0.30640  (F=0.38302, m=0.03603, lattice h=0.220 off=0.77)
  N=23: smallest slack 0.44637  (F=0.52257, m=0.02887, lattice h=0.220 off=0.31)
  N=30: smallest slack 0.84814  (F=0.92352, m=0.01528, hexfine)
  N=42: smallest slack 0.31506  (F=0.39062, m=0.01835, lattice h=0.160 off=0.77)
  N=45: smallest slack 0.78167  (F=0.85677, m=0.01067, hexfine)
  N=72: smallest slack 0.17296  (F=0.24817, m=0.01247, lattice h=0.120 off=0.00)
  N=76: smallest slack 0.49303  (F=0.56794, m=0.00732, lattice h=0.120 off=0.77)
  N=85: smallest slack 0.57253  (F=0.64734, m=0.00565, lattice h=0.120 off=0.31)
  N=132: smallest slack 0.21388  (F=0.28873, m=0.00637, lattice h=0.090 off=0.77)
  N=143: smallest slack 0.26119  (F=0.33599, m=0.00546, lattice h=0.090 off=0.31)
true-F partition test OK
