n: 30 m: 264 packed: 10 density: 0 nodes: 0 solveTime: 2270 buildTime: 40 solved: true
{0,12,26}
{1,3,20}
{2,4,9}
{5,22,28}
{6,11,15}
{7,21,24}
{8,25,27}
{10,17,19}
{13,16,29}
{14,18,23}