n: 30 m: 530 packed: 10 density: 0 nodes: 0 solveTime: 32710 buildTime: 170 solved: true
{0,9,18}
{1,10,24}
{2,6,13}
{3,26,27}
{4,5,28}
{7,8,12}
{11,25,29}
{14,16,21}
{15,19,20}
{17,22,23}