G13113313231323133313331333133313232233132313331323132313231211   >>    G1311331323132313331333133313331323223313231333132313231323121   <<    G13113313231323133313331333133313232233132313331323132313231213   >>      G13113313231323133313331333133313232233132313331323132313231212   >>