n: 30 m: 357 packed: 10 density: 0 nodes: 0 solveTime: 11050 buildTime: 70 solved: true
{0,4,20}
{1,2,3}
{5,9,24}
{6,17,18}
{7,14,27}
{8,10,13}
{11,12,25}
{15,16,28}
{19,26,29}
{21,22,23}