B33113313132313113313223313331323132313331313232233132322113121   >>    B3311331313231311331322331333132313231333131323223313232211312   <<    B33113313132313113313223313331323132313331313232233132322113123   >>      B33113313132313113313223313331323132313331313232233132322113122   >>