G13113313231323133313331333133313232233132313331323133313221121   >>    G1311331323132313331333133313331323223313231333132313331322112   <<    G13113313231323133313331333133313232233132313331323133313221123   >>      G13113313231323133313331333133313232233132313331323133313221122   >>