(;AW[rr]AW[qr]AW[rq]AW[rp]AB[ps]AB[pr]AB[qq]AB[pq]AW[qp]AW[qo]AB[ro]AB[so]AW[rn]AW[rm]AB[rl]AB[qm]AB[qn]AB[po]AB[pp]AB[qk]C[Do your best.FORCE]AP[goproblems] (;B[sr];W[qs] (;B[sm];W[ss];B[rs]C[Only ko]) (;B[ss];W[sp]) (;B[sp];W[ss];B[rs]C[Only ko.]) (;B[sq];W[ss];B[rs]C[only ko])) (;B[rs] (;W[qs]C[CHOICE];B[sp];W[ss];B[sq]C[RIGHT]) (;W[sr];B[sp] (;W[qs];B[sm]C[RIGHT]) (;W[sq];B[qs]C[RIGHT]))) (;B[qs];W[rs] (;B[sm];W[sp];B[sn];W[sr]) (;B[sr];W[sp])) (;B[sq];W[sp]) (;B[sm];W[sp];B[sn];W[sr]) (;B[sn];W[sp];B[sm];W[sr]) (;B[sp];W[sq];B[rs];W[sn];B[so];W[qs]) (;B[ss];W[rs];B[sm];W[sp];B[sn];W[sr]))