[FRACTURE_FLOW_MESH] 1 1 1 -1 Fracture{ 0 0 0 3 0 0 1 1 0 0 0 0 0 1 0 0 1 0 1 0 0 0 1 0 Nodes{ 0 0 0 1 1 0 2 2 0 3 3 0 4 4 0 5 0 1 6 1 1 7 2 1 8 3 1 9 4 1 10 0 2 11 1 2 12 2 2 13 3 2 14 4 2 15 0 3 16 1 3 17 2 3 18 3 3 19 4 3 }Nodes Elements{ 0 0 6 5 1 1 1 1 0 1 6 1 1 1 2 1 7 6 1 1 1 3 1 2 7 1 1 1 4 2 8 7 1 1 1 5 2 3 8 1 1 1 6 3 9 8 1 1 1 7 3 4 9 1 1 1 8 5 11 10 1 1 1 9 5 6 11 1 1 1 10 6 12 11 1 1 1 11 6 7 12 1 1 1 12 7 13 12 1 1 1 13 7 8 13 1 1 1 14 8 14 13 1 1 1 15 8 9 14 1 1 1 16 10 16 15 1 1 1 17 10 11 16 1 1 1 18 11 17 16 1 1 1 19 11 12 17 1 1 1 20 12 18 17 1 1 1 21 12 13 18 1 1 1 22 13 19 18 1 1 1 23 13 14 19 1 1 1 }Elements Neighbours{ }Neighbours }Fracture