I33132322131121133131323223313232113313113313232211221123231323132313121   >>    I3313232213112113313132322331323211331311331323221122112323132313231312   <<    I33132322131121133131323223313232113313113313232211221123231323132313123   >>      I33132322131121133131323223313232113313113313232211221123231323132313122   >>