B33113313132313113313223313331323132313331313232233132322123231323132313231211   >>    B3311331313231311331322331333132313231333131323223313232212323132313231323121   <<    B33113313132313113313223313331323132313331313232233132322123231323132313231213   >>      B33113313132313113313223313331323132313331313232233132322123231323132313231212   >>