B33113313132313113313223313331322331311331322331333132313331322123231323221   >>    B3311331313231311331322331333132233131133132233133313231333132212323132322   <<    B33113313132313113313223313331322331311331322331333132313331322123231323223   >>      B33113313132313113313223313331322331311331322331333132313331322123231323222   >>