((3,4),(3,8),(5,4),(5,9),(11,4),(7,8),(7,9)(5,12),(5,14),(5,16),(5,18),(3,10),(3,14),(3,16),(3,20),(7,4),(7,10),(7,12),(7,15),(7,16),(7,18),(7,20),(11,4),(11,6),(11,9),(11,12),(11,14),(11,15),(11,16),(11,18),(11,20),(13,4),(13,6),(13,8,),(13,9),(13,12),(17,4),(17,6),(17,8),(17,9),(17,10),(17,12),(11,14),(17,15),(17,16),(17,18),(17,20),(19,4),(19,6),(19,8),(19,9),(19,10),(19,12),(19,14),(19,15),(19,16),(19,18),(19,20)
((3,4),(3,8),(5,4),(5,9),(11,4),(7,8),(7,9)(5,12),(5,14),(5,16),(5,18),(3,10),(3,14),(3,16),(3,20),(7,4),(7,10),(7,12),(7,15),(7,16),(7,18),(7,20),(11,4),(11,6),(11,9),(11,12),(11,14),(11,15),(11,16),(11,18),(11,20),(13,4),(13,6),(13,8,),(13,9),(13,12),(17,4),(17,6),(17,8),(17,9),(17,10),(17,12),(11,14),(17,15),(17,16),(17,18),(17,20),(19,4),(19,6),(19,8),(19,9),(19,10),(19,12),(19,14),(19,15),(19,16),(19,18),(19,20)