I3313232213132333131121133133313231323223313223313331323132313231333132223121   >>    I331323221313233313112113313331323132322331322331333132313231323133313222312   <<    I3313232213132333131121133133313231323223313223313331323132313231333132223123   >>      I3313232213132333131121133133313231323223313223313331323132313231333132223122   >>