n: 30 m: 501 packed: 10 density: 0 nodes: 0 solveTime: 22620 buildTime: 150 solved: true
{0,3,11}
{1,7,18}
{2,5,9}
{4,20,22}
{6,8,10}
{12,25,28}
{13,17,21}
{14,16,26}
{15,27,29}
{19,23,24}