Toggler - use LMB to destroy or create a ring on a pressed square and on the squares lying next to it orthogonally. If there is no ring on the square it will be created, but if there already is one it will be destroyed! There are also walls preventing rings from being created! Carder - you place a card. Every time a card is placed next to already existing card, that old card's number will increase by one. When the number exceeds 4, it will return to 1 again. You must copy the pattern which is shown below EXACTLY!.
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