n: 50 m: 374 packed: 16 density: 0 nodes: 0 solveTime: 4860 buildTime: 90 solved: true
{0,20,21}
{1,4,8}
{2,22,48}
{3,11,12}
{5,13,15}
{6,29,37}
{7,24,35}
{9,18,36}
{14,23,26}
{16,32,42}
{17,19,49}
{25,38,39}
{27,30,43}
{28,44,46}
{31,45,47}
{34,40,41}