I33132322131121133131323331333132313232213231323133313232231221   >>    I3313232213112113313132333133313231323221323132313331323223122   <<    I33132322131121133131323331333132313232213231323133313232231223   >>      I33132322131121133131323331333132313232213231323133313232231222   >>