n: 30 m: 521 packed: 10 density: 0 nodes: 0 solveTime: 99740 buildTime: 170 solved: true
{0,1,3}
{2,7,11}
{4,6,15}
{5,9,28}
{8,13,16}
{10,14,27}
{12,21,29}
{17,23,25}
{18,22,26}
{19,20,24}