G13113313231323133313331333133313113313331333132322331322232212121   >>    G1311331323132313331333133313331311331333133313232233132223221212   <<    G13113313231323133313331333133313113313331333132322331322232212123   >>      G13113313231323133313331333133313113313331333132322331322232212122   >>