n: 30 m: 535 packed: 10 density: 0 nodes: 0 solveTime: 33990 buildTime: 170 solved: true
{0,4,12}
{1,2,9}
{3,15,26}
{5,10,21}
{6,13,24}
{7,25,27}
{8,17,29}
{11,19,22}
{14,16,23}
{18,20,28}