n: 30 m: 532 packed: 10 density: 0 nodes: 0 solveTime: 56880 buildTime: 170 solved: true
{0,16,28}
{1,10,14}
{2,6,12}
{3,4,8}
{5,7,9}
{11,17,25}
{13,26,29}
{15,21,27}
{18,19,20}
{22,23,24}