B33113313132313113313223313331323132322331323321323133313331323133313333221   >>    B3311331313231311331322331333132313232233132332132313331333132313331333322   <<    B33113313132313113313223313331323132322331323321323133313331323133313333223   >>      B33113313132313113313223313331323132322331323321323133313331323133313333222   >>