Numberblocks 21 to 29 figured out

Numberblock 21: Season 6 Episode 6: Twenty One And On
Numberblock 22: Season 6 Episode 6: Twenty One And On
Numberblock 23: Season 7 Episode 11: How Rectangly!
Numberblock 24: Season 7 Episode 11: How Rectangly!
Numberblock 25: Season 6 Episode 7: We're Going On A Square Hunt
Numberblock 26: Season 7 Episode 14: Hidden Talents
Numberblock 27: Season 7 Episode 15: Making Patterns
Numberblock 28: Season 7 Episode 15: Making Patterns
Numberblock 29: Season 8 Episode 2: Club Picnic

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