n: 30 m: 541 packed: 10 density: 0 nodes: 0 solveTime: 49800 buildTime: 170 solved: true
{0,4,25}
{1,9,10}
{2,7,16}
{3,12,22}
{5,6,20}
{8,14,24}
{11,27,29}
{13,17,18}
{15,19,26}
{21,23,28}