B33113313132313113313223313331322331311331322331333132313331322121111132212231   >>    B3311331313231311331322331333132233131133132233133313231333132212111113221223   <<    B33113313132313113313223313331322331311331322331333132313331322121111132212233   >>      B33113313132313113313223313331322331311331322331333132313331322121111132212232   >>