# vtk DataFile Version 5.1
vtk output
ASCII
DATASET UNSTRUCTURED_GRID
POINTS 42 float
1.3 0.8 0.4 1.4 0.8 0.4 1.4 0.9 0.4 
1.3 0.9 0.4 1.3 0.8 0.5 1.4 0.8 0.5 
1.4 0.9 0.5 1.3 0.9 0.5 1.5 0.8 0.4 
1.5 0.9 0.4 1.5 0.8 0.5 1.5 0.9 0.5 
1.3 0.9 0 1.4 0.9 0 1.4 1 0 
1.3 1 0 1.3 0.9 0.1 1.4 0.9 0.1 
1.4 1 0.1 1.3 1 0.1 1.3 0.9 0.2 
1.4 0.9 0.2 1.4 1 0.2 1.3 1 0.2 
1.3 0.9 0.3 1.4 0.9 0.3 1.4 1 0.3 
1.3 1 0.3 1.4 1 0.4 1.3 1 0.4 
1.4 1 0.5 1.3 1 0.5 1.5 0.9 0 
1.5 1 0 1.5 0.9 0.1 1.5 1 0.1 
1.5 0.9 0.2 1.5 1 0.2 1.5 0.9 0.3 
1.5 1 0.3 1.5 1 0.4 1.5 1 0.5 

CELLS 13 96
OFFSETS vtktypeint64
0 8 16 24 32 40 48 56 64 
72 80 88 96 
CONNECTIVITY vtktypeint64
0 1 2 3 4 5 6 7 1 
8 9 2 5 10 11 6 12 13 
14 15 16 17 18 19 16 17 18 
19 20 21 22 23 20 21 22 23 
24 25 26 27 24 25 26 27 3 
2 28 29 3 2 28 29 7 6 
30 31 13 32 33 14 17 34 35 
18 17 34 35 18 21 36 37 22 
21 36 37 22 25 38 39 26 25 
38 39 26 2 9 40 28 2 9 
40 28 6 11 41 30 
CELL_TYPES 12
12
12
12
12
12
12
12
12
12
12
12
12

CELL_DATA 12
SCALARS mat_id int
LOOKUP_TABLE default
2 2 1 1 1 1 2 1 1
1 1 2

POINT_DATA 42
SCALARS node_groups int
LOOKUP_TABLE default
0 0 0 0 0 0 0 0 0
0 0 0 1 1 1 1 0 0
0 0 0 0 0 0 0 0 0
0 0 0 0 0 1 1 0 0
0 0 0 0 0 0