移动推理 2.0

In this game, you need push all blocks to target point, only the block with number can be pushed,and after each push，the number of block will reduce 1
rules:
1. Select a block(must have number) and drag
2. the block will be moved，and the neighbor(if have) at move direction will be pushed too
3.Pass conditions is push all blocks to target point，and the number of block must reduced to zero