2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41,... INFINI
|__|__|
{3,5,7},... INFINI ?
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41,... INFINI
|__|__| |____| |____| |____|
{3,5}, {5,7}, {11,13}, {17,19}, {29,31},... INFINI ?
