I3313232123313131333131232313231333132313231322331323133313232213232212111   >>    I331323212331313133313123231323133313231323132233132313331323221323221211   <<    I3313232123313131333131232313231333132313231322331323133313232213232212113   >>      I3313232123313131333131232313231333132313231322331323133313232213232212112   >>