B33113313132313113313223313331323132322331323321323321111132211   >>    B3311331313231311331322331333132313232233132332132332111113221   <<    B33113313132313113313223313331323132322331323321323321111132213   >>      B33113313132313113313223313331323132322331323321323321111132212   >>