n: 30 m: 464 packed: 10 density: 0 nodes: 0 solveTime: 17550 buildTime: 130 solved: true
{0,17,29}
{1,20,23}
{2,7,9}
{3,10,14}
{4,5,6}
{8,16,25}
{11,15,22}
{12,19,24}
{13,18,21}
{26,27,28}