n: 30 m: 409 packed: 10 density: 0 nodes: 0 solveTime: 9580 buildTime: 100 solved: true
{0,15,21}
{1,3,7}
{2,12,16}
{4,10,11}
{5,8,26}
{6,18,25}
{9,20,24}
{13,19,28}
{14,17,23}
{22,27,29}