Box/Line: 7c4b2 => -7r1c5 -7r1c6 -7r3c5 -7r3c6
- Code: Select all
|--------------------------------------------------------------------|
| 156 2 3 | 147 1568 456 | 14567 1568 9 |
| 4 156 7 | 19 12568 569 | 1256 3 1568 |
| 8 9 156 | 1347 12356 3456 | 124567 1256 1456 |
|--------------------------------------------------------------------|
| 125 135 125 | 6 4 8 | 1235 9 7 |
| 1567 4 8 | 2 9 37 | 1356 156 156 |
| 2679 36 269 | 5 37 1 | 2346 268 468 |
|--------------------------------------------------------------------|
| 3 7 1569 | 149 156 4569 | 8 156 2 |
| 156 8 4 | 13 1356 2 | 9 7 156 |
| 12569 156 12569 | 8 1567 5679 | 156 4 3 |
|--------------------------------------------------------------------|
There are 2 antidiag tridagons :
Tridagon 1 : (1,5,6) in B1p159, B3p249, B7p348, B9p267 with 4 guardians : 8r1c8, 2r2c7, 4r3c9, 9r7c3
Tridagon 2 : idem but B3p168 (5 guardians).
whip[3]: r6c2{n6 n3}- r6c5{n3 n7}- r5n7{c6 .} => -6r5c1
Box/Line: 6r5b6 => -6r6c7 -6r6c8 -6r6c9
whip[3]: r9n7{c6 c5}- r6n7{c5 c1}- c1n9{r6 .} => -9r9c6
Box/Line: 9r9b7 => -9r7c3 (
one guardian deleted)
Hidden pairs: 49r7c46 => -1r7c4 -5r7c6 -6r7c6
Hidden pairs: 29r9c13 => -1r9c1 -5r9c1 -6r9c1 -1r9c3 -5r9c3 -6r9c3
- Code: Select all
|--------------------------------------------------------------------|
| 156 2 3 | 147 1568 456 | 14567 1568 9 |
| 4 156 7 | 19 12568 569 | 1256 3 1568 |
| 8 9 156 | 1347 12356 3456 | 124567 1256 1456 |
|--------------------------------------------------------------------|
| 125 135 125 | 6 4 8 | 1235 9 7 |
| 157 4 8 | 2 9 37 | 1356 156 156 |
| 2679 36 269 | 5 37 1 | 234 28 48 |
|--------------------------------------------------------------------|
| 3 7 156 | 49 156 49 | 8 156 2 |
| 156 8 4 | 13 1356 2 | 9 7 156 |
| 29 156 29 | 8 1567 567 | 156 4 3 |
|--------------------------------------------------------------------|
Each of the 3 remaining guardians of tridagon 1 is seen by 2r3c8 or by this partial whip from 2r3c8 (called "contrad-whip" by Denis) ;
Partial-whip[2]: r6c8{n2 n8}- r6c9{n8 n4}-
=> -2r3c8
Singles: 2r6c8, 8r6c9, 8r2c5, 8r1c8, 2r2c7, 2r3c5, 4r6c7, 4r3c9
- Code: Select all
|--------------------------------------------------|
| 156 2 3 | 147 156 456 | 1567 8 9 |
| 4 156 7 | 19 8 569 | 2 3 156 |
| 8 9 156 | 137 2 356 | 1567 156 4 |
|--------------------------------------------------|
| 125 135 125 | 6 4 8 | 135 9 7 |
| 157 4 8 | 2 9 37 | 1356 156 156 |
| 679 36 69 | 5 37 1 | 4 2 8 |
|--------------------------------------------------|
| 3 7 156 | 49 156 49 | 8 156 2 |
| 156 8 4 | 13 1356 2 | 9 7 156 |
| 29 156 29 | 8 1567 567 | 156 4 3 |
|--------------------------------------------------|
Tridagon 1 is destroyed but tridagon 2 persists with only one guardian (7r1c7).
=> +7r1c7
Single(s): 7r3c4, 3r3c6, 7r5c6, 3r6c5, 6r6c2, 9r6c3, 7r6c1, 2r9c3, 9r9c1, 2r4c1, 3r5c7, 3r4c2, 3r8c4, 7r9c5
Box/Line: 1c4b2 => -1r1c5
whip[2]: r2n6{c9 c6}- r9n6{c6 .} => -6r3c7
Single(s): 6r9c7, 5r9c6, 1r9c2, 5r2c2, 5r1c5
Xwing in columns: 1c37r34 => -1r3c8
Xwing in columns: 5c19r58 => -5r5c8
whip[3]: r3n6{c3 c8}- r5c8{n6 n1}- c1n1{r5 .} => -6r1c1
STTE