请用一个三年级中国小学生能理解的卡通视频来解这道题目---**Question 10** **Question Stem:** 10. 有一款玩具机器人, 它的正面有 10 个点位可以涂上色彩, 共有 3 种颜色可以 选择。要求有直接连接的两个点位颜色不可以相同。共有 ____ 种涂色方案。 **(English Translation of Question Stem):** 10. There is a toy robot, and its front side has 10 points that can be colored. There are a total of 3 colors to choose from. It is required that two points with direct connections cannot have the same color. There are a total of ____ coloring schemes. **Diagram Description:** * **Type:** Graph diagram. * **Elements:** * **Nodes (Points):** 10 nodes labeled A, B, C, D, E, F, G, H, I, J. Each node is represented as a circle containing its label. * **Edges (Lines):** Straight lines connecting the nodes, representing direct connections. The connections are: * A is connected to B and C. * B is connected to A and D. * C is connected to A and E. * D is connected to B and E. * E is connected to C, D, F, G, and H. * F is connected to E and H. * G is connected to E and H. * H is connected to E, F, G, I, and J. * I is connected to H. * J is connected to H. **Other Information:** * Number of points: 10 * Number of available colors: 3 * Constraint: Directly connected points must have different colors. * Task: Determine the total number of possible coloring schemes and fill in the blank. The blank is "____ 种涂色方案".