protected virtual void buildHighStressCover()
{
coverHighStress = new short[6 * 3];
// First triangle
coverHighStress[0] = 0; coverHighStress[1] = 1; coverHighStress[2] = 7;
// Second triangle
coverHighStress[3] = 1; coverHighStress[4] = 3; coverHighStress[5] = 7;
// Third triangle
coverHighStress[6] = 1; coverHighStress[7] = 2; coverHighStress[8] = 3;
// Fourth triangle
coverHighStress[9] = 3; coverHighStress[10] = 4; coverHighStress[11] = 5;
// Fifth triangle
coverHighStress[12] = 5; coverHighStress[13] = 7; coverHighStress[14] = 3;
// Sixth triangle
coverHighStress[15] = 5; coverHighStress[16] = 6; coverHighStress[17] = 7;
}