G13113313231323133313331333133313232233132313231333133313121311   >>    G1311331323132313331333133313331323223313231323133313331312131   <<    G13113313231323133313331333133313232233132313231333133313121313   >>      G13113313231323133313331333133313232233132313231333133313121312   >>