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Teenage rocket maker
，详情可参考同城约会
The conditions you have to meet are specific to the color-coded spaces. For example, if it provides a single number, every side of a tile in that space must add up to the number provided. It is possible – and common – for only half a tile to be within a color-coded space.
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"But on the other, he tries to reassure that it's all already been taken into account.