I3313232213112113313132322331323211331311331331122121111133112121   >>    I331323221311211331313232233132321133131133133112212111113311212   <<    I3313232213112113313132322331323211331311331331122121111133112123   >>      I3313232213112113313132322331323211331311331331122121111133112122   >>