n: 30 m: 236 packed: 10 density: 0 nodes: 0 solveTime: 1570 buildTime: 40 solved: true
{0,11,28}
{1,6,14}
{2,16,27}
{3,5,20}
{4,8,25}
{7,21,29}
{9,12,26}
{10,22,24}
{13,15,23}
{17,18,19}