(;AB[sa]AB[sc]AB[rc]AB[qc]AB[pc]AB[oc]AB[ob]AB[oa]AW[na]AW[nb]AW[nc]AW[nd]AW[od]AW[pd]AW[rd]AW[re]AW[pb]AW[qb]AW[ra]AW[rb]AP[goproblems]
(;B[qa]C[]
(;W[pa]C[CHOICE];B[sb]C[Well done!RIGHT])
(;W[sb]C[CHOICE];B[pa]C[You got it!RIGHT]))
(;B[pa];W[qa]C[Bad shape!]
(;B[sb];W[qb])
(;B[qd];W[qe]
(;B[sb];W[qb])
(;B[sd];W[se];B[sb];W[qb]))
(;B[sd];W[se]
(;B[qd];W[qe];B[sb];W[qb])
(;B[sb];W[qb])))
(;B[sb];W[qa]C[Bad shape :-(];B[pa];W[qb])
(;B[qd];W[qe]C[It is a shame to waste liberties like that!]
(;B[qa];W[pa];B[sb];W[sd]C[Oops])
(;B[pa];W[qa];B[sb];W[qb]))
(;B[sd];W[se]
(;B[qa];W[pa]C[Short of liberties!])
(;B[qd];W[qe];B[qa];W[pa])
(;B[pa];W[qa];B[sb];W[qb])))