B33113313132313113313223313331323132322331323222233132313331312121   >>    B3311331313231311331322331333132313232233132322223313231333131212   <<    B33113313132313113313223313331323132322331323222233132313331312123   >>      B33113313132313113313223313331323132322331323222233132313331312122   >>