Inputs:

1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 14, 15, 16, 17, 18

Outputs:

12 (Combinatorial, Output feedback output, Active low)
13 (Combinatorial, Output feedback output, Active high)
14 (Combinatorial, Output feedback output, Active high)
15 (Combinatorial, Output feedback output, Active low)
16 (Combinatorial, Output feedback output, Active low)
17 (Combinatorial, Output feedback output, Active low)
18 (Combinatorial, Output feedback output, Active low)
19 (Combinatorial, Output feedback output, Active high)

Equations:

/o12 = i3 & i7 & /i9 +
       i1 & o13 +
       i3 +
       /i6 +
       i8 +
       /i9 +
       i7 & /o13
o12.oe = vcc

o13 = i11 & /o14 +
      /i9 +
      i8 +
      /i7 +
      /i6 & o14 +
      i5 +
      i4
o13.oe = i2 & o14

o14 = i1 & /o15 +
      /i8 +
      i1 & /i8 +
      i1 & /i2 & /o15 +
      /i2 +
      i2 & /i8 & o15 +
      i3
o14.oe = vcc

/o15 = i3 & i6 & i7 & /i11 +
       i6 & o16 +
       i3 & /o16 +
       i7 +
       /i11 +
       i6 & i7 +
       i7 & /i11
o15.oe = vcc

/o16 = /i3 & /o17 +
       /i4 & /i11 +
       /i3 & /i4 +
       /i3 & i4 +
       /i7 & o17 +
       /i7 & /i11 +
       i4
o16.oe = vcc

/o17 = i2 & i5 & i6 & /i7 +
       i2 & /o18 +
       i5 +
       i6 +
       /i7 & o18 +
       i2 & /i7 +
       i5 & i6
o17.oe = /o16

/o18 = /i2 & i5 & i6 & /i7 +
       i3 & i6 & i7 & i11 +
       i3 +
       /i2 & /i7 +
       i3 & i11 +
       i5 & i6 & /i7 +
       i7 & i11
o18.oe = vcc

o19 = i5 & i6 & /i7 & i11 +
      i3 & i6 & i7 +
      i5 +
      i6 +
      i7 +
      i11 +
      /i7
o19.oe = vcc