(;AW[mb]AW[lc]AW[md]AW[nc]AB[rb]AB[rc]AB[qc]AB[pc]AB[qa]AB[ob]AB[nb]AW[oc]AW[pd]AW[qd]AW[rd]AW[sc]AW[sd]AW[oe]C[white to kill]AP[goproblems]
(;W[pb];B[pa]
(;W[na]C[RIGHT])
(;W[sb];B[na])
(;W[ma]C[thx to blyx for this variations!RIGHT]))
(;W[na];B[pb])
(;W[sb];B[na])
(;W[pa];B[pb]))