n: 30 m: 225 packed: 10 density: 0 nodes: 0 solveTime: 810 buildTime: 40 solved: true
{0,9,16}
{1,7,22}
{2,5,11}
{3,4,14}
{6,18,20}
{8,15,27}
{10,13,19}
{12,25,28}
{17,21,24}
{23,26,29}