n: 30 m: 171 packed: 10 density: 0 nodes: 0 solveTime: 2620 buildTime: 20 solved: true
{0,8,16}
{1,3,6}
{2,9,29}
{4,17,24}
{5,13,20}
{7,11,14}
{10,23,26}
{12,25,28}
{15,19,27}
{18,21,22}