n: 30 m: 395 packed: 10 density: 0 nodes: 0 solveTime: 6700 buildTime: 100 solved: true
{0,8,15}
{1,5,20}
{2,6,7}
{3,11,13}
{4,9,16}
{10,19,28}
{12,25,26}
{14,17,22}
{18,21,23}
{24,27,29}