n: 30 m: 462 packed: 10 density: 0 nodes: 0 solveTime: 14030 buildTime: 120 solved: true
{0,6,15}
{1,3,7}
{2,13,16}
{4,19,25}
{5,8,12}
{9,10,24}
{11,27,28}
{14,22,26}
{17,20,29}
{18,21,23}