I3313232213112113313132322331323112113313231323113313232233132311211   >>    I331323221311211331313232233132311211331323132311331323223313231121   <<    I3313232213112113313132322331323112113313231323113313232233132311213   >>      I3313232213112113313132322331323112113313231323113313232233132311212   >>