testcases:
  - name: "testcase 1"
    inputs:
    - 1 : [2, 1, 3]
    - 2 : 2
    output: 
    - 1 : 2

  - name: "testcase 2"
    inputs:
    - 1 : [3, 1, 4, null, null, null, 10 , null]
    - 2 : 1
    output: 
    - 1 : 1

  - name: "testcase 3"
    inputs:
    - 1 : [23, 21, 24, null, 22, null, null]
    - 2 : 3
    output: 
    - 1 : 23

  - name: "testcase 4"
    inputs:
    - 1 : [10, 8, null]
    - 2 : 1
    output: 
    - 1 : 8
    
  - name: "testcase 5"
    inputs:
    - 1 : [10, 8, null]
    - 2 : 2
    output: 
    - 1 : 10