n: 50 m: 341 packed: 16 density: 0 nodes: 0 solveTime: 7350 buildTime: 70 solved: true
{0,16,25}
{1,6,8}
{2,27,28}
{3,11,33}
{4,31,39}
{5,22,44}
{7,30,35}
{9,12,41}
{10,40,43}
{13,29,34}
{14,36,38}
{15,17,20}
{18,37,42}
{19,24,32}
{21,26,49}
{46,47,48}