B33113313132313113313223313331323331333132233312113313331333132212111113211231   >>    B3311331313231311331322331333132333133313223331211331333133313221211111321123   <<    B33113313132313113313223313331323331333132233312113313331333132212111113211233   >>      B33113313132313113313223313331323331333132233312113313331333132212111113211232   >>