ya i agree thats pretty cool. i like pix of them like this

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╦╦╦╦╡→ ╫╦╦╡
╩╩╩╩╡→ ╫╣╫╡
╦╦╦╦╡→ ╫╣╫╡
╩╩╩╩╡→ ╫╩╩╡