n: 30 m: 544 packed: 10 density: 0 nodes: 0 solveTime: 43920 buildTime: 180 solved: true
{0,5,9}
{1,7,24}
{2,3,4}
{6,11,13}
{8,21,28}
{10,18,19}
{12,14,27}
{15,16,20}
{17,25,26}
{22,23,29}