Barrel of Fun

From any lines with the ends facing out: Ends bend and touch 1/2 while the centers quarter in and Swing Thru. Then all Fan the top.

\syhlines{b4n,g4n,b1n,g1n} \syhlines{g2n,b1s,b4n,g1s}
4 2 4 2 1 3 1 3 2 4 1 3 4 2 1 3
before Barrel of Fun after