G131133132313231333133313331333131133133313331323321333132212121   >>    G13113313231323133313331333133313113313331333132332133313221212   <<    G131133132313231333133313331333131133133313331323321333132212123   >>      G131133132313231333133313331333131133133313331323321333132212122   >>