n: 21  m: 31 packed: 6 density: 85 nodes: 808 solveTime:  171 buildTime:  44
<8,15,16>
<10,14,18>
<1,6,13>
<2,7,11>
<3,12,17>
<4,5,9>

3Cycles: 6
value:6[1]{6}