G13113313231323133313331333133313113313331323223313233211331322221   >>    G1311331323132313331333133313331311331333132322331323321133132222   <<    G13113313231323133313331333133313113313331323223313233211331322223   >>      G13113313231323133313331333133313113313331323223313233211331322222   >>