B33113313132313113313223313331323132322331313113313331323133313232211313231121   >>    B3311331313231311331322331333132313232233131311331333132313331323221131323112   <<    B33113313132313113313223313331323132322331313113313331323133313232211313231123   >>      B33113313132313113313223313331323132322331313113313331323133313232211313231122   >>