n: 30 m: 142 packed: 10 density: 0 nodes: 0 solveTime: 270 buildTime: 20 solved: true
{0,6,14}
{1,9,19}
{2,17,22}
{3,4,7}
{5,16,29}
{8,12,26}
{10,23,24}
{11,20,27}
{13,15,18}
{21,25,28}