B3311331313231311331322331333132313231333131323223313223313331123321   >>    B331133131323131133132233133313231323133313132322331322331333112332   <<    B3311331313231311331322331333132313231333131323223313223313331123323   >>      B3311331313231311331322331333132313231333131323223313223313331123322   >>