n: 30 m: 431 packed: 10 density: 0 nodes: 0 solveTime: 8710 buildTime: 110 solved: true
{0,4,11}
{1,5,10}
{2,3,7}
{6,28,29}
{8,9,13}
{12,20,26}
{14,22,23}
{15,16,25}
{17,18,27}
{19,21,24}