G131133132313231333133313331333131133133313331311331333132323221221   >>    G13113313231323133313331333133313113313331333131133133313232322122   <<    G131133132313231333133313331333131133133313331311331333132323221223   >>      G131133132313231333133313331333131133133313331311331333132323221222   >>