n: 30 m: 401 packed: 10 density: 0 nodes: 0 solveTime: 9210 buildTime: 90 solved: true
{0,8,21}
{1,2,5}
{3,24,27}
{4,10,22}
{6,25,26}
{7,13,23}
{9,11,12}
{14,16,20}
{15,17,28}
{18,19,29}