Bonsoir Doukkali, André et à tous,
Par marquage :
_|_a_____b_____c_|_d_____e______f_|_g____h_____i
1|36y7__3678___4_¬|168__1268_____28|369__5689__35678
2|_9_____168___18|_5_____3______7_|_2____4_____68
3|_5____3678___2_|_9____468_____48|36___1____3678
4|_4_____9_____6_|137____17_____35|_8___2____135
5|137___1237_1357|138__1289__23589|3469_569__13456
6|_8____123___135|_4____129_____6_|_7____59___135
7|136____4____138|_2_____689___389|_5____7____689
8|_2____6y78___78|6Y78___5_____49|_1____3_____49
9|367____5_____9_|3678__4678____1_|46____68____2
1) OU : 6 de d1 en conflit avec y et Y supprimé (coloriage groupe des 6 a1-b123-b8-d8) => d1 et e78 ≠ 6, e7=89
2) XY-wing f3(48)-f8(49)-e7(89) => e1, e3, f7 ≠ 8
_|_a_____b_____c_|_d_____e______f_|_g____h_____i
1|36y7__3678___4_¬|18___126D____28|369__5689__35678
2|_9_____168___18|_5______3_____7_|_2____4_____68
3|_5____3678___2_|_9___4D6d__4d8D|36___1____3678
4|_4_____9_____6_|137____17_____35|_8___2____135
5|137___1237_1357|138__1289__23589|3469_569__13456
6|_8____123___135|_4____129_____6_|_7____59___135
7|136____4____138|_2_____89_____39|_5____7____689
8|_2____6y78___78|6Y78___5___4D9d|_1____3_____49
9|367____5_____9_|36y78__4d78___1_|4D6d_68_____2
3) Interdit yD (6e1a1) dy (6g9e9) => y faux, d8=6, a9 ≠ 7, a9=36
_|_a______b________c_|_d_______e_____________f_|_g______h________i
1|3p7P__3678_______4_¬|1k8K___1K2A6D_____2a8A|369I__5w68j9i__35W67z8
2|_9____1B6C8___1b8B|_5_______3____________7_|_2______4________68
3|_5____3o67z8_____2_|_9______4D6d_______4d8D|3e6E____1_______367Z8
4|_4______9________6_|137f____1f7F________3g5G|_8______2______1m3r5g
5|1l3v7p_12n37_135x7b|138_____128y9__2A35g8K9j|3s4d69i_569_____134D56
6|_8_____12N3___135X|_4______12n9h_________6_|_7______5h9H___13t5
7|1L36q____4_____1l3L|_2______8J9j________3q9Q|_5_______7_______6Q8j9d
8|_2______7b8B__7B8b|_6_______5__________4D9d|_1______3_______4d9D
9|3q6Q_____5______9_|3Q7F8y__4d7f8_________1_|4D6d____6j8J_____2
4) OU: 1 de i5 ni D ni l [dQ (6g9a9) qL(a7)] supprimé => 1M en i6 => Mt
5) Interdit vT (3a5bc6) tM (i6) mf (1i4e4) FQ (d9) qv (3a9a5) => v faux, a5 ≠ 3, a5=1l7L (p=L)
6) Interdit bl (1c2c7) Lb (7a5c5) => b faux, c2=8, etc. au bout.
A+