n: 30 m: 171 packed: 10 density: 0 nodes: 0 solveTime: 610 buildTime: 20 solved: true
{0,3,26}
{1,12,24}
{2,4,15}
{5,11,27}
{6,20,23}
{7,10,17}
{8,25,28}
{9,21,22}
{13,19,29}
{14,16,18}