B33113313132313113313223313331311331323133313132322331313331323132313232213221   >>    B3311331313231311331322331333131133132313331313232233131333132313231323221322   <<    B33113313132313113313223313331311331323133313132322331313331323132313232213223   >>      B33113313132313113313223313331311331323133313132322331313331323132313232213222   >>