G13113313231323133313331333133313113313331333133313221323233211   >>    G1311331323132313331333133313331311331333133313331322132323321   <<    G13113313231323133313331333133313113313331333133313221323233213   >>      G13113313231323133313331333133313113313331333133313221323233212   >>