G131133132313231333133313331333131133133313331311331333133313223211   >>    G13113313231323133313331333133313113313331333131133133313331322321   <<    G131133132313231333133313331333131133133313331311331333133313223213   >>      G131133132313231333133313331333131133133313331311331333133313223212   >>