In JavaFX: Match Memory Game.

Write a GUI-based match (aka memory) game for one player. There will be a 6X6 layout of 18 pairs of cards (chosen randomly from 52 cards, and with all 36 cards having the random position) with their backs showing. The player will click one card which shows its face. If they match, a positive message is given and the two cards become unclickable. If they are not a match, a message is updated, and then the cards are turned back over. Once all matches are found, the number of guesses is the score (with a lower score being better, like golf).

Please do as in a simple way as possible, and add comments.