n: 30 m: 540 packed: 10 density: 0 nodes: 0 solveTime: 14720 buildTime: 170 solved: true
{0,2,11}
{1,17,20}
{3,4,6}
{5,26,28}
{7,9,12}
{8,10,19}
{13,25,27}
{14,21,23}
{15,16,24}
{18,22,29}