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Have you tried to add the rest of the subnet in the unused type? [cidrBlocks: [10.1.128.0/17],?

yeah but then I get this error:
```The number of CIDR blocks in subnetSpecs[2] must match the number of availability zones (2).```

In that case try ['10.1.128.0/18', '10.1.192.0/18']

getting an error with gaps now but thank you for the suggestion, feels like im moving forward

If curious:
```Please fix the following gaps: 
base-vpc-public-1 (10.1.0.0/19) &lt;=&gt; base-vpc-private-1 (10.1.64.0/19), 
base-vpc-private-1 (10.1.64.0/19) &lt;=&gt; base-vpc-unused-1 (10.1.128.0/18), 
base-vpc-unused-1 (10.1.128.0/18) &lt;=&gt; base-vpc-public-2 (10.1.32.0/19), 
base-vpc-public-2 (10.1.32.0/19) &lt;=&gt; base-vpc-private-2 (10.1.96.0/19), 
base-vpc-private-2 (10.1.96.0/19) &lt;=&gt; base-vpc-unused-2 (10.1.192.0/18)```

not even sure why it's creating a resource for `unused`

image.png

ok i got it but I had to respect the arbitrary order of `public` -&gt; `private` -&gt; `unused`:

```subnetSpecs: [
  {
    type: 'Public',
    cidrBlocks: ['10.1.0.0/19', '10.1.128.0/19'],
  },
  {
    type: 'Private',
    cidrBlocks: ['10.1.32.0/19', '10.1.160.0/19'],
  },
  {
    type: 'Unused',
    cidrBlocks: ['10.1.64.0/18', '10.1.192.0/18'],
  },
],```

Ah great news, good job :slightly_smiling_face: