---中文--- 这是一个双人游戏。 您可以从您的节点拖动到对手的节点上来将您拖动的节点增加对手的节点的数值。 比如说，当您从2拖动到5时，2会变成7。 当结果大于10时，结果会被10取余。 比如说，从6拖动到8，6会变成4。
---English--- It is a double player math game. You need to drag from your node to your opponent's to change your node's number by your opponent's. For exmaple, when you drag from your 2 to your opponent's 5, your 2 will become 7. When the result is bigger than 10, it will only choose the ones place. For example, drag from 6 to 8, 6 will become 4.
