n: 40 m: 615 packed: 13 density: 0 nodes: 0 solveTime: 181530 buildTime: 220 solved: true
{0,26,33}
{1,4,24}
{2,22,25}
{5,6,19}
{7,8,21}
{9,10,13}
{11,37,38}
{12,31,32}
{14,23,36}
{15,17,29}
{16,27,28}
{18,20,39}
{30,34,35}