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tetrisphere rescue level criteria - episode 2
core area
layers
square
horiz I
vert I
L
Z
T
2-1
2x2
2
2-2
2x2
3
2-3
2x2
3
2-4
2x2
3
2-5
3x3
2
2-6
2x2
3
2-7
2x2
3
2-8
2x2
4
2-9
2x2
4
2-10
3x3
3
main
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