n: 30 m: 338 packed: 10 density: 0 nodes: 0 solveTime: 15820 buildTime: 70 solved: true
{0,19,26}
{1,20,23}
{2,14,17}
{3,9,16}
{4,10,15}
{5,6,11}
{7,8,13}
{12,24,28}
{18,21,22}
{25,27,29}