n: 30 m: 351 packed: 10 density: 0 nodes: 0 solveTime: 6860 buildTime: 70 solved: true
{0,14,28}
{1,16,23}
{2,4,5}
{3,6,15}
{7,11,18}
{8,9,20}
{10,13,17}
{12,25,29}
{19,21,22}
{24,26,27}