n: 30 m: 269 packed: 10 density: 0 nodes: 0 solveTime: 3430 buildTime: 40 solved: true
{0,18,19}
{1,10,17}
{2,23,27}
{3,5,11}
{4,21,29}
{6,7,15}
{8,12,20}
{9,24,25}
{13,22,26}
{14,16,28}