I3313232213112113313132333133313231333131211111123313331323132233221   >>    I331323221311211331313233313331323133313121111112331333132313223322   <<    I3313232213112113313132333133313231333131211111123313331323132233223   >>      I3313232213112113313132333133313231333131211111123313331323132233222   >>