n: 50 m: 537 packed: 16 density: 0 nodes: 0 solveTime: 35710 buildTime: 180 solved: true
{0,4,5}
{1,27,29}
{2,18,28}
{3,24,37}
{6,8,15}
{7,12,16}
{9,36,38}
{10,19,44}
{11,40,43}
{13,20,42}
{14,22,31}
{17,32,41}
{21,35,47}
{23,34,39}
{25,45,49}
{26,33,46}