n: 50 m: 667 packed: 16 density: 0 nodes: 0 solveTime: 68170 buildTime: 260 solved: true
{0,21,35}
{1,6,7}
{2,43,45}
{3,5,30}
{4,10,41}
{8,15,48}
{9,11,16}
{13,25,29}
{14,39,47}
{17,24,36}
{18,23,34}
{19,20,32}
{22,28,31}
{26,37,44}
{27,33,38}
{40,42,49}