n: 50 m: 381 packed: 16 density: 0 nodes: 0 solveTime: 5760 buildTime: 90 solved: true
{0,9,19}
{1,11,13}
{2,5,28}
{3,8,34}
{4,6,7}
{10,42,46}
{12,21,40}
{14,44,45}
{15,22,30}
{16,17,36}
{18,24,48}
{23,31,43}
{25,35,38}
{26,47,49}
{27,39,41}
{32,33,37}