n: 30 m: 472 packed: 10 density: 0 nodes: 0 solveTime: 19940 buildTime: 130 solved: true
{0,3,14}
{1,2,4}
{5,8,11}
{6,10,18}
{7,27,29}
{9,21,22}
{12,19,28}
{13,16,20}
{15,17,26}
{23,24,25}