G13113313231323133313331333133313113313331333132322123313231221   >>    G1311331323132313331333133313331311331333133313232212331323122   <<    G13113313231323133313331333133313113313331333132322123313231223   >>      G13113313231323133313331333133313113313331333132322123313231222   >>