testcases:
  - name: "testcase 1"
    inputs:
    - 1 : [1, 0, 3, 0, 1, 2]
    output: 
    - 1 : 4
  - name: "testcase 2"
    inputs:
    - 1 : [4, 2, 0, 3, 1, 5]
    output: 
    - 1 : 10
  - name: "testcase 3"
    inputs:
    - 1 : [0, 3, 0, 2, 1, 0, 1, 4, 2, 1, 2, 0]
    output: 
    - 1 : 12
  - name: "testcase 4"
    inputs:
    - 1 : [1, 2, 2, 2, 2, 2]
    output: 
    - 1 : 0
  - name: "testcase 3"
    inputs:
    - 1 : [4]
    output: 
    - 1 : 0