n: 30 m: 301 packed: 10 density: 0 nodes: 0 solveTime: 2800 buildTime: 50 solved: true
{0,13,20}
{1,16,17}
{2,19,22}
{3,4,24}
{5,21,26}
{6,10,29}
{7,9,14}
{8,18,23}
{11,12,15}
{25,27,28}