n: 30 m: 499 packed: 10 density: 0 nodes: 0 solveTime: 14390 buildTime: 150 solved: true
{0,4,28}
{1,2,9}
{3,6,11}
{5,16,25}
{7,8,15}
{10,20,26}
{12,17,29}
{13,21,24}
{14,19,23}
{18,22,27}