n: 30 m: 292 packed: 10 density: 0 nodes: 0 solveTime: 1660 buildTime: 50 solved: true
{0,13,22}
{1,8,17}
{2,19,25}
{3,6,9}
{4,5,20}
{7,27,28}
{10,15,18}
{11,16,29}
{12,21,23}
{14,24,26}