(;SZ[19]AW[bd]AW[cd]AW[dc]AW[fc]AB[cc]AB[bc]AB[dd]TR[bd]C[Black to play.]FF[1]GM[1]AP[Jago:Version 4.53]
(;B[be];W[de]C[]
(;B[ed];W[ce]
(;B[ec]C[];W[eb];B[db]
(;W[gb]C[If Black is strong on both sides this way of playing is possible.CHOICERIGHT])
(;W[fe]C[If Black is strong on the left side this way of playing is possible.]))
(;B[db];W[ec]))
(;B[ad];W[ed]))
(;B[de]C[Please see next problem for how to continue. Please note that Black has another move in certain circumstances.RIGHT])
(;B[ec];W[ed]
(;B[db];W[de];B[dc];W[ee]C[Favourable for white.])
(;B[de];W[eb]C[White is better off then the solution.]))
(;B[db];W[ec])
(;B[ed];W[ec];B[ce];W[be])
(;B[ce];W[be]
(;B[de]C[White has the same tesuji as seen in the next problem.])
(;B[ec];W[ed]
(;B[db];W[de];B[dc];W[cf])
(;B[de];W[eb]))
(;B[ed];W[ec])
(;B[db];W[ec])
(;B[bf];W[de];B[ed];W[cf];B[ec];W[eb];B[db]
(;W[fe]C[CHOICE])
(;W[gb]C[CHOICE]))))