Main.hs
  test #1 for A:  OK
  test #2 for A:  OK
  test #1 for AX: OK
  test #2 for AX: OK
  test #1 for AY: OK
  test #2 for AY: OK
  test #1 for AZ: OK
  test #2 for AZ: OK
  test #1 for B:  OK
  test #2 for B:  OK
  test #1 for CA: OK
  test #2 for CA: OK
  test #1 for CB: OK
  test #2 for CB: OK

All 14 tests passed