The columns are:
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1-50 vertices
51-100 vertices
101-150 vertices
151-200 vertices
201-250 vertices
251-300 vertices
301-350 vertices
351-400 vertices
401-450 vertices
451-500 vertices
501-550 vertices
551-600 vertices
601-650 vertices
651-700 vertices
701-750 vertices
751-800 vertices
801-850 vertices
851-900 vertices
901-950 vertices
951-1000 vertices
1001-1050 vertices
1051-1100 vertices
1101-1150 vertices
1151-1200 vertices
1201-1250 vertices
1251-1300 vertices
many vertices
families