B33113313132313113313223313331323132313331313232233133313132322121   >>    B3311331313231311331322331333132313231333131323223313331313232212   <<    B33113313132313113313223313331323132313331313232233133313132322123   >>      B33113313132313113313223313331323132313331313232233133313132322122   >>