n: 30 m: 342 packed: 10 density: 0 nodes: 0 solveTime: 3300 buildTime: 70 solved: true
{0,7,16}
{1,6,23}
{2,3,8}
{4,17,22}
{5,9,27}
{10,26,28}
{11,19,29}
{12,14,18}
{13,20,24}
{15,21,25}