n: 50 m: 439 packed: 16 density: 0 nodes: 0 solveTime: 12860 buildTime: 120 solved: true
{0,40,41}
{1,25,37}
{2,19,33}
{3,7,16}
{4,11,22}
{5,8,20}
{6,17,34}
{10,15,45}
{12,18,23}
{13,24,28}
{14,43,47}
{21,38,48}
{27,30,46}
{29,36,49}
{31,32,42}
{35,39,44}