n: 30 m: 431 packed: 10 density: 0 nodes: 0 solveTime: 15580 buildTime: 120 solved: true
{0,4,24}
{1,2,23}
{3,11,17}
{5,25,29}
{6,10,12}
{7,16,22}
{8,18,19}
{9,21,27}
{13,26,28}
{14,15,20}