Draw adjacency matrix for
B
/|\
A | D
/ \| \
G C E
/ \ /|\
J-_ F | H
¯`-I
| A | B | C | D | E | F | G | H | I | J | |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| B | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| C | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 |
| D | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| E | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| F | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| G | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| H | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| I | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| J | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |