n: 30 m: 486 packed: 10 density: 0 nodes: 0 solveTime: 17140 buildTime: 140 solved: true
{0,16,21}
{1,4,18}
{2,26,27}
{3,10,28}
{5,6,7}
{8,19,20}
{9,22,29}
{11,24,25}
{12,14,17}
{13,15,23}