Nef_polyhedron_2 Plane_map_2 vertices 14 halfedges 32 faces 4 0 { 0 1, 0, 1 0 -1 1 0 -1 0 1 } 1 { 0 5, 0, 1 0 -1 1 0 1 0 1 } 2 { 0 7, 1, 0 -70 0 -70 0 1 } 3 { 0 11, 1, 0 -70 0 -35 0 1 } 4 { 0 15, 1, 0 -70 0 70 0 1 } 5 { 0 17, 0, 0 0 1 0 -1 0 1 } 6 { 0 6, 1, 0 0 0 -70 0 1 } 7 { 0 21, 1, 0 0 0 0 0 1 } 8 { 0 23, 1, 0 0 0 70 0 1 } 9 { 0 27, 0, 0 0 1 0 1 0 1 } 10 { 0 29, 0, 0 70 0 35 0 1 } 11 { 0 22, 1, 0 70 0 70 0 1 } 12 { 0 31, 0, 1 0 1 1 0 -1 0 1 } 13 { 0 26, 0, 1 0 1 1 0 1 0 1 } 0 { 1, 3, 18, 5, 1, 0 } 1 { 0, 17, 2, 0, 0, 0 } 2 { 3, 1, 4, 1, 0, 0 } 3 { 2, 5, 0, 0, 1, 0 } 4 { 5, 2, 26, 9, 0, 0 } 5 { 4, 24, 3, 1, 1, 0 } 6 { 7, 9, 19, 6, 2, 1 } 7 { 6, 18, 8, 2, 1, 1 } 8 { 9, 7, 12, 3, 1, 1 } 9 { 8, 11, 6, 2, 2, 1 } 10 { 11, 13, 20, 7, 3, 1 } 11 { 10, 21, 9, 3, 2, 1 } 12 { 13, 8, 14, 4, 1, 1 } 13 { 12, 15, 10, 3, 3, 1 } 14 { 15, 12, 24, 8, 1, 1 } 15 { 14, 23, 13, 4, 3, 1 } 16 { 17, 19, 30, 12, 2, 0 } 17 { 16, 31, 1, 5, 0, 0 } 18 { 19, 0, 7, 6, 1, 1 } 19 { 18, 6, 16, 5, 2, 1 } 20 { 21, 10, 28, 10, 3, 0 } 21 { 20, 29, 11, 7, 2, 0 } 22 { 23, 25, 29, 11, 2, 1 } 23 { 22, 28, 15, 8, 3, 1 } 24 { 25, 14, 5, 9, 1, 1 } 25 { 24, 27, 22, 8, 2, 1 } 26 { 27, 4, 31, 13, 0, 0 } 27 { 26, 30, 25, 9, 2, 0 } 28 { 29, 20, 23, 11, 3, 1 } 29 { 28, 22, 21, 10, 2, 1 } 30 { 31, 16, 27, 13, 2, 0 } 31 { 30, 26, 17, 12, 0, 0 } 0 { -1, 1 , , 0 } 1 { 3, , , 0 } 2 { 19, , , 0 } 3 { 13, , , 1 }