testcases:
  - name: testcase 1
    inputs:
    - 1: "ABCD"
    - 2: "ABC"
    output: 
    - 1 : "ABC"
  - name: "testcase 2"
    inputs:
    - 1: "XYZYX"
    - 2: "XYZ"
    output:
    - 1 : "XYZ"
  - name: "testcase 3"
    inputs:
    - 1: "ABXYZJKLSNFC"
    - 2: "ABC"
    output:
    - 1 : "ABXYZJKLSNFC"
  - name: "testcase 4"
    inputs:
    - 1: "AAAAAAAAAAA"
    - 2: "A"
    output:
    - 1 : "A"
  - name: "testcase 5"
    inputs:
    - 1: "ABDFGDCKAB"
    - 2: "ABCD"
    output:
    - 1 : "DCKAB"