n: 30 m: 141 packed: 10 density: 0 nodes: 0 solveTime: 190 buildTime: 20 solved: true
{0,4,5}
{1,18,26}
{2,27,28}
{3,10,23}
{6,8,19}
{7,20,29}
{9,15,16}
{11,13,14}
{12,22,24}
{17,21,25}