Problem 2511. BLOCK x3 (Version 4)
Always in this series ( 2451, 2484, and 2478 ).
Now we are in color (1 for red and 2 for white). Your task is always to count the minimum number of movements required to align the 3 blocks in each colors (vertically or horizontally).

- [0 0 0 0 0 0 0;
- 0 0 1 2 0 0 0;
- 0 0 0 0 0 0 0;
- 0 0 1 2 0 0 0;
- 0 0 1 2 0 0 0;
- 0 0 0 0 0 0 0;
- 0 0 0 0 0 0 0]
In this example you can move down the first two blocks ( in two moves ).
Note that blocks can be swapped .
In this second example :

- [0 0 0 0 0 0 0;
- 0 0 0 0 0 0 0;
- 0 0 1 2 0 0 0;
- 0 0 2 1 0 0 0;
- 0 0 1 2 0 0 0;
- 0 0 0 0 0 0 0;
- 0 0 0 0 0 0 0]
Here you win in only one move by swapping the two central blocks.
Good luck !
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