n: 30 m: 369 packed: 10 density: 0 nodes: 0 solveTime: 13590 buildTime: 80 solved: true
{0,9,17}
{1,2,15}
{3,6,10}
{4,7,19}
{5,21,25}
{8,23,29}
{11,22,27}
{12,13,18}
{14,16,24}
{20,26,28}