n: 50 m: 247 packed: 16 density: 0 nodes: 0 solveTime: 1810 buildTime: 30 solved: true
{0,15,16}
{1,20,30}
{2,19,24}
{3,10,33}
{4,25,42}
{5,23,34}
{6,31,38}
{7,17,29}
{8,11,36}
{9,32,43}
{12,37,46}
{13,39,40}
{14,45,49}
{18,21,28}
{22,27,35}
{41,44,47}