n: 30 m: 121 packed: 10 density: 0 nodes: 0 solveTime: 80 buildTime: 10 solved: true
{0,13,20}
{1,8,18}
{2,3,4}
{5,11,19}
{6,16,21}
{7,27,29}
{9,12,24}
{10,17,26}
{14,15,22}
{23,25,28}