B33113313132313113313223313331323132313233313331313232233132322132311331   >>    B3311331313231311331322331333132313231323331333131323223313232213231133   <<    B33113313132313113313223313331323132313233313331313232233132322132311333   >>      B33113313132313113313223313331323132313233313331313232233132322132311332   >>