n: 30 m: 379 packed: 10 density: 0 nodes: 0 solveTime: 4820 buildTime: 80 solved: true
{0,19,27}
{1,2,8}
{3,7,9}
{4,6,11}
{5,16,18}
{10,12,26}
{13,17,23}
{14,24,25}
{15,22,29}
{20,21,28}