G13113313231323133313331333133313232233132313231333132322121221   >>    G1311331323132313331333133313331323223313231323133313232212122   <<    G13113313231323133313331333133313232233132313231333132322121223   >>      G13113313231323133313331333133313232233132313231333132322121222   >>