12 Days of Christmas Challenge

...On the third day of Christmas my true love sent to me,... a MAX ROUND OF DOUBLE UNDERS!  You have three attempts, see how many unbroken double unders you can accumulate. CFC WOD 4 rounds for time of: 10/7 Cals on bike/row/ski 50 Double Unders 14 Alternating DB snatch 50/35 PUREFIT 4 Rounds for time: 7 Cals on bike/row/ski 50 Singles 14 alternating DB snatch