n: 30 m: 451 packed: 10 density: 0 nodes: 0 solveTime: 6190 buildTime: 120 solved: true
{0,4,6}
{1,8,26}
{2,3,18}
{5,28,29}
{7,10,20}
{9,23,27}
{11,15,19}
{12,16,22}
{13,24,25}
{14,17,21}