B33113313132313113313223313331323132333132313331313331323132323323221221   >>    B3311331313231311331322331333132313233313231333131333132313232332322122   <<    B33113313132313113313223313331323132333132313331313331323132323323221223   >>      B33113313132313113313223313331323132333132313331313331323132323323221222   >>