G131133132313231333133313331333131133133313331323231333133313211211   >>    G13113313231323133313331333133313113313331333132323133313331321121   <<    G131133132313231333133313331333131133133313331323231333133313211213   >>      G131133132313231333133313331333131133133313331323231333133313211212   >>