G131133132313231333133313331333131133133313331323223313231322212121   >>    G13113313231323133313331333133313113313331333132322331323132221212   <<    G131133132313231333133313331333131133133313331323223313231322212123   >>      G131133132313231333133313331333131133133313331323223313231322212122   >>