n: 30 m: 312 packed: 10 density: 0 nodes: 0 solveTime: 7710 buildTime: 60 solved: true
{0,11,28}
{1,20,21}
{2,4,14}
{3,23,24}
{5,13,27}
{6,25,26}
{7,12,17}
{8,16,18}
{9,10,29}
{15,19,22}