n: 30 m: 244 packed: 10 density: 0 nodes: 0 solveTime: 970 buildTime: 40 solved: true
{0,4,17}
{1,5,8}
{2,19,27}
{3,6,22}
{7,14,18}
{9,12,25}
{10,13,28}
{11,23,24}
{15,16,20}
{21,26,29}