hallo, everyone

i'm new in perl, i want to do the following job in perl, to convert a list to a
text. how can i do it?  which format can i use to store the list? Excel? or can i
only use the pure text format?

souce:
G11  G12  G13 |G21 G22 |G31 G32 G33 |
1     0 1      | 1 0     | 1   0     1   |
0     0 1      | 0 1     | 0   1     1   |

des:
G11, G13, G21 --> G31, G33;
G13, G22 --> G32, G33;

thank you very much for your answer!
Cheng