G131133132313231333133313331333131133133313331311331333133313232132211   >>    G13113313231323133313331333133313113313331333131133133313331323213221   <<    G131133132313231333133313331333131133133313331311331333133313232132213   >>      G131133132313231333133313331333131133133313331311331333133313232132212   >>