Resources:
  CidrVpc1:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock:
        !Cidr [ 192.168.1.1/24, 2, 5 ]
  CidrVpc2:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock:
        !Cidr
          - "192.168.1.1/24"
          - "2"
          - "5"