n: 30 m: 81 packed: 10 density: 0 nodes: 0 solveTime: 40 buildTime: 10 solved: true
{0,9,19}
{1,4,7}
{2,14,16}
{3,5,10}
{6,18,24}
{8,20,26}
{11,25,27}
{12,17,23}
{13,15,22}
{21,28,29}