n: 40 m: 732 packed: 13 density: 0 nodes: 0 solveTime: 65480 buildTime: 330 solved: true
{0,5,32}
{1,37,39}
{2,11,14}
{3,9,10}
{4,28,34}
{6,12,21}
{7,8,18}
{13,27,33}
{15,17,36}
{16,26,31}
{19,29,30}
{20,25,35}
{22,24,38}