G131133132313231333133313331333131133133313331323133313223332211   >>    G13113313231323133313331333133313113313331333132313331322333221   <<    G131133132313231333133313331333131133133313331323133313223332213   >>      G131133132313231333133313331333131133133313331323133313223332212   >>