B33113313132313113313223313331323133313221211331333133313331323312121   >>    B3311331313231311331322331333132313331322121133133313331333132331212   <<    B33113313132313113313223313331323133313221211331333133313331323312123   >>      B33113313132313113313223313331323133313221211331333133313331323312122   >>