n: 30 m: 171 packed: 10 density: 0 nodes: 0 solveTime: 340 buildTime: 20 solved: true
{0,19,27}
{1,3,6}
{2,11,28}
{4,16,24}
{5,10,21}
{7,18,26}
{8,20,23}
{9,12,29}
{13,17,22}
{14,15,25}