B3311331313231311331322331333132313331322331323133313331322333123321   >>    B331133131323131133132233133313231333132233132313331333132233312332   <<    B3311331313231311331322331333132313331322331323133313331322333123323   >>      B3311331313231311331322331333132313331322331323133313331322333123322   >>