n: 30 m: 574 packed: 10 density: 0 nodes: 0 solveTime: 60490 buildTime: 190 solved: true
{0,18,21}
{1,3,5}
{2,4,15}
{6,7,10}
{8,17,22}
{9,24,25}
{11,16,26}
{12,19,23}
{13,27,28}
{14,20,29}