n: 30 m: 437 packed: 10 density: 0 nodes: 0 solveTime: 16610 buildTime: 120 solved: true
{0,18,23}
{1,7,14}
{2,19,20}
{3,12,22}
{4,10,29}
{5,17,26}
{6,16,27}
{8,13,24}
{9,11,21}
{15,25,28}