I3313232213132333131121133133313231323223313223313331323132313231311311   >>    I331323221313233313112113313331323132322331322331333132313231323131131   <<    I3313232213132333131121133133313231323223313223313331323132313231311313   >>      I3313232213132333131121133133313231323223313223313331323132313231311312   >>