n: 30 m: 237 packed: 10 density: 0 nodes: 0 solveTime: 840 buildTime: 40 solved: true
{0,12,29}
{1,23,24}
{2,11,15}
{3,9,26}
{4,20,27}
{5,10,28}
{6,7,16}
{8,13,18}
{14,21,22}
{17,19,25}