N 12 b* = 0.561807405719182635080997446884911205409316293  a'' = 0.981939253995069656058018210265
  max |Abar*_1| over 24 members: 2.23e-57  max |Abar*_2|: 2.23e-57  max closure: 1.22e-59  min sin(consecutive lines): 0.117  min pedal area: 2.6441
