(;SZ[19]AB[bd]AB[bc]AB[cc]AB[ec]AB[eb]AW[fb]AW[fc]AW[fd]AW[dd]AW[cd]AW[be]AW[ae]AW[cf]AW[hb]FF[4]GM[1]AP[Jago:Version 4.27]GN[145]
(;W[ea]
(;B[da]C[CHOICE]
(;W[dc];B[db];W[ba];B[bb]
(;W[ed];B[fa];W[ca];B[aa]
(;W[ac];B[ad];W[ab];B[aa];W[ab]C[deadRIGHT])
(;W[ab];B[ac];W[ad]C[Ko]))
(;W[ca];B[aa]
(;W[ac];B[ad];W[ab];B[aa];W[ab]C[exchanging W a for B b before W c would be better ajiRIGHT]LB[ed:a]LB[fa:b]LB[ca:c])
(;)))
(;W[db];B[dc];W[ca];B[ba];W[bb];B[cb];W[aa];B[da]C[Ko])
(;W[ba];B[dc];W[fa];B[ad];W[db];B[cb];W[ca]C[Ko]))
(;B[db];W[bb]C[RIGHT]))
(;W[db];B[dc];W[ea];B[da];W[ca];B[ba];W[bb];B[cb];W[aa];B[da]C[Ko]))