Mu bicuruzwa byibikoresho byinganda, bolts, nkumuvuduko wingenzi, bigira uruhare runini mubikoresho bitandukanye byubwubatsi nibigize. Uyu munsi, tuzasangira ibice bya hexagon na hexagon, bifite itandukaniro rikomeye mubishushanyo mbonera no kubishyira mu bikorwa, n'ibikurikira ...
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