n: 50 m: 488 packed: 16 density: 0 nodes: 0 solveTime: 23620 buildTime: 140 solved: true
{0,12,42}
{1,17,19}
{2,33,36}
{3,13,27}
{4,20,28}
{5,45,49}
{6,7,21}
{8,24,32}
{10,14,25}
{11,16,30}
{15,31,44}
{18,37,48}
{22,26,41}
{23,39,46}
{29,35,40}
{34,38,47}