G131133132313231333133313331333132322331323133313231323221121331   >>    G13113313231323133313331333133313232233132313331323132322112133   <<    G131133132313231333133313331333132322331323133313231323221121333   >>      G131133132313231333133313331333132322331323133313231323221121332   >>