B33113313132313113313223313331323132313233313331311133313113313232322131   >>    B3311331313231311331322331333132313231323331333131113331311331323232213   <<    B33113313132313113313223313331323132313233313331311133313113313232322133   >>      B33113313132313113313223313331323132313233313331311133313113313232322132   >>