G13113313231323133313331333133313232233132313331323132333132212131   >>    G1311331323132313331333133313331323223313231333132313233313221213   <<    G13113313231323133313331333133313232233132313331323132333132212133   >>      G13113313231323133313331333133313232233132313331323132333132212132   >>