I3313232213132333131121133133313232213331313331323223313232212131   >>    I331323221313233313112113313331323221333131333132322331323221213   <<    I3313232213132333131121133133313232213331313331323223313232212133   >>      I3313232213132333131121133133313232213331313331323223313232212132   >>