How to Recall / 回忆操作说明
Tap a card below to fill the selected position. Tap any numbered position above to jump, replace or correct it. To insert, select a position and choose Before or After; Delete clears a position; Undo restores the previous action.
点击下方扑克牌填入当前空位；点击上方任意编号可跳到该位置填写或替换。插入：选位置后点击前面/后面插入；删除：清空该位置；撤销：恢复上一步。空位可以保留，继续填写后面的牌。