n: 30 m: 623 packed: 10 density: 0 nodes: 0 solveTime: 33370 buildTime: 230 solved: true
{0,1,3}
{2,4,9}
{5,6,14}
{7,15,20}
{8,16,19}
{10,17,18}
{11,12,22}
{13,27,28}
{21,23,29}
{24,25,26}