n: 30 m: 121 packed: 10 density: 0 nodes: 0 solveTime: 120 buildTime: 10 solved: true
{0,15,21}
{1,14,27}
{2,3,20}
{4,10,23}
{5,9,16}
{6,24,29}
{7,13,26}
{8,12,18}
{11,17,28}
{19,22,25}