\ LP file for the 2x4 example, created by POLYOMINO_LP_WRITE. Maximize Subject to x1 + x9 + x15 + x17 + x19 = 1 x2 + x9 + x10 + x15 + x16 + x18 + x19 + x20 = 1 x3 + x9 + x10 + x13 + x15 + x16 + x19 + x20 = 1 x4 + x10 + x14 + x16 + x20 = 1 x5 + x11 + x13 + x15 + x17 = 1 x6 + x11 + x12 + x13 + x14 + x16 + x17 + x18 = 1 x7 + x11 + x12 + x13 + x14 + x17 + x18 + x19 = 1 x8 + x12 + x14 + x18 + x20 = 1 x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8 = 1 x9 + x10 + x11 + x12 = 1 x13 + x14 + x15 + x16 + x17 + x18 + x19 + x20 = 1 Binary x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 End