n: 30 m: 138 packed: 10 density: 0 nodes: 0 solveTime: 840 buildTime: 20 solved: true
{0,12,29}
{1,10,18}
{2,21,22}
{3,11,24}
{4,7,14}
{5,16,28}
{6,17,23}
{8,9,20}
{13,19,25}
{15,26,27}