n: 30 m: 230 packed: 10 density: 0 nodes: 0 solveTime: 1060 buildTime: 30 solved: true
{0,7,19}
{1,28,29}
{2,12,25}
{3,21,23}
{4,9,16}
{5,13,15}
{6,24,26}
{8,10,20}
{11,17,18}
{14,22,27}