January 2018
Beginner to intermediate
454 pages
10h 8m
English
As said previously, every tetrimino has four blocks. Another thing to note is that they can rotate. So for example you have this tetrimino:

It can also rotate in the three following positions:

Theoretically, every tetrimino should have four states, but in reality, not all of them do. For example, this one has no transformation so to speak:

And these three only have two states:
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