B33113313132313113313223313331323132322331313231323133313231323221232221   >>    B3311331313231311331322331333132313232233131323132313331323132322123222   <<    B33113313132313113313223313331323132322331313231323133313231323221232223   >>      B33113313132313113313223313331323132322331313231323133313231323221232222   >>