codility: CountTriangles
https://codility.com/demo/results/trainingDGNM6J-SR7/
https://codility.com/demo/results/trainingKKMFPR-38A/
https://codility.com/demo/results/trainingTV56HU-JDX/
https://codility.com/demo/results/trainingEMQBV4-AB3/
https://codility.com/demo/results/trainingDGNM6J-SR7/
https://codility.com/demo/results/trainingKKMFPR-38A/
https://codility.com/demo/results/trainingTV56HU-JDX/
https://codility.com/demo/results/trainingEMQBV4-AB3/