n: 50 m: 459 packed: 16 density: 0 nodes: 0 solveTime: 20510 buildTime: 120 solved: true
{0,7,33}
{1,26,34}
{2,43,48}
{3,23,29}
{4,30,45}
{5,9,13}
{6,10,16}
{8,42,46}
{12,20,25}
{14,24,41}
{15,22,39}
{17,31,40}
{18,36,49}
{19,37,38}
{21,32,35}
{27,28,44}