I3313232213132333131121133133313231323223313223313331323331323133311311   >>    I331323221313233313112113313331323132322331322331333132333132313331131   <<    I3313232213132333131121133133313231323223313223313331323331323133311313   >>      I3313232213132333131121133133313231323223313223313331323331323133311312   >>