n: 30 m: 496 packed: 10 density: 0 nodes: 0 solveTime: 28250 buildTime: 150 solved: true
{0,1,7}
{2,19,28}
{3,8,29}
{4,20,23}
{5,6,10}
{9,17,21}
{11,13,22}
{12,16,26}
{14,15,18}
{24,25,27}