G13113313231323133313331333133313232233132313331323223313331333312121   >>    G1311331323132313331333133313331323223313231333132322331333133331212   <<    G13113313231323133313331333133313232233132313331323223313331333312123   >>      G13113313231323133313331333133313232233132313331323223313331333312122   >>