n: 30 m: 358 packed: 10 density: 0 nodes: 0 solveTime: 6230 buildTime: 70 solved: true
{0,4,7}
{1,6,11}
{2,3,17}
{5,13,22}
{8,18,28}
{9,26,29}
{10,12,20}
{14,21,24}
{15,19,25}
{16,23,27}