In this problem you will model a simple blockworld under certain rules and constraints.
在这个问题中，你将在确定的规则和约束条件下构建一个简单的积木世界。
2
For example, an early AI study of planning and robotics (STRIPS) used a blockworld in which a robot arm performed tasks involving the manipulation of blocks.
比如在早期的规划学和机器人学的人工智能研究就利用一个积木世界，让机械臂执行操作积木的任务。
3
Lined with about a dozen 18th century homes, Little Green Street only stretches a city block in length, but has survived the Blitz in World War II and three centuries of construction.