n: 30 m: 319 packed: 10 density: 0 nodes: 0 solveTime: 12790 buildTime: 60 solved: true
{0,4,17}
{1,10,16}
{2,3,6}
{5,8,29}
{7,9,13}
{11,22,24}
{12,15,26}
{14,19,25}
{18,20,21}
{23,27,28}