I3313232213112113313132333133313231323221323221323133313231333121   >>    I331323221311211331313233313331323132322132322132313331323133312   <<    I3313232213112113313132333133313231323221323221323133313231333123   >>      I3313232213112113313132333133313231323221323221323133313231333122   >>