B33113313132313113313223313331323132313331313232233132322113122321   >>    B3311331313231311331322331333132313231333131323223313232211312232   <<    B33113313132313113313223313331323132313331313232233132322113122323   >>      B33113313132313113313223313331323132313331313232233132322113122322   >>