I33132322131121133131323223313232113313233213231323131111312121   >>    I3313232213112113313132322331323211331323321323132313111131212   <<    I33132322131121133131323223313232113313233213231323131111312123   >>      I33132322131121133131323223313232113313233213231323131111312122   >>