I331323221311211331313233313331323223313113313112331323133313231333131212121   >>    I33132322131121133131323331333132322331311331311233132313331323133313121212   <<    I331323221311211331313233313331323223313113313112331323133313231333131212123   >>      I331323221311211331313233313331323223313113313112331323133313231333131212122   >>