testcases:
  - name: "testcase 6"
    inputs:
    - 1 : [1, 1, 1, 1]
    output: 
    - 1 : True
  - name: "testcase 7"
    inputs:
    - 1 : [1, 0, 2, 1]
    output: 
    - 1 : False
  - name: "testcase 8"
    inputs:
    - 1 : [3, 2, 2, 0, 1, 4]
    output: 
    - 1 : True
  - name: "testcase 9"
    inputs:
    - 1 : [4, 3, 2, 1, 0]
    output: 
    - 1 : True
  - name: "testcase 10"
    inputs:
    - 1 : [4, 0, 0, 0, 1]
    output: 
    - 1 : True
  - name: "testcase 11"
    inputs:
    - 1 : [3, 3, 3, 3, 3]
    output: 
    - 1 : True
  - name: "testcase 12"
    inputs:
    - 1 : [1, 2, 3, 4, 5, 6, 7]
    output: 
    - 1 : True
  - name: "testcase 13"
    inputs:
    - 1 : [3, 0, 0, 0, 0]
    output: 
    - 1 : False
  - name: "testcase 14"
    inputs:
    - 1 : [2, 3, 1, 1, 9]
    output: 
    - 1 : True
  - name: "testcase 15"
    inputs:
    - 1 : [3, 2, 1, 0, 4]
    output: 
    - 1 : False
  - name: "testcase 16"
    inputs:
    - 1 : [4, 0, 0, 0, 4]
    output: 
    - 1 : True
  - name: "testcase 17"
    inputs:
    - 1 : [0]
    output: 
    - 1 : True
  - name: "testcase 18"
    inputs:
    - 1 : [1]
    output: 
    - 1 : True