n: 30 m: 240 packed: 10 density: 0 nodes: 0 solveTime: 1670 buildTime: 40 solved: true
{0,13,25}
{1,12,18}
{2,3,14}
{4,7,28}
{5,15,19}
{6,20,26}
{8,10,17}
{9,16,27}
{11,21,22}
{23,24,29}