testcases:
  - name: "testcase 1"
    inputs:
    - 1 : [3, 1, 1, 2, 2, 1]
    output: 
    - 1 : True
  - name: "testcase 2"
    inputs:
    - 1: [1, 3, 7, 3]
    output:
    - 1 : True
  - name: "testcase 3"
    inputs:
    - 1: [1, 2, 3]
    output:
    - 1 : True
  - name: "testcase 4"
    inputs:
    - 1: [1, 2, 5]
    output:
    - 1 : False
  - name: "testcase 5"
    inputs:
    - 1: [1, 3, 4, 8]
    output:
    - 1 : True