n: 50 m: 655 packed: 16 density: 0 nodes: 0 solveTime: 74620 buildTime: 240 solved: true
{0,19,49}
{1,25,27}
{2,20,23}
{3,16,39}
{4,38,44}
{5,6,30}
{7,29,48}
{8,33,43}
{9,11,17}
{10,13,26}
{12,24,45}
{14,15,21}
{18,22,41}
{28,34,42}
{31,32,36}
{37,40,47}