m12.tessellate2D(0.5);
self.assertEqual(41,m12.getNumberOfNodes());
expected3=[5,0,3,25,26,1,5,3,4,27,28,2,1,26,25,5,5,29,30,3,0,5,6,31,32,4,3,30,29,5,5,5,0,7,33,34,5,6,5,34,33,7,8,35,36,5,0,1,37,38,7,5,1,2,39,40,8,7,38,37]
m12.tessellate2D(0.5);
self.assertEqual(41,m12.getNumberOfNodes());
expected3=[5,0,3,25,26,1,5,3,4,27,28,2,1,26,25,5,5,29,30,3,0,5,6,31,32,4,3,30,29,5,5,5,0,7,33,34,5,6,5,34,33,7,8,35,36,5,0,1,37,38,7,5,1,2,39,40,8,7,38,37]