B33113313132313113313223313331323331333131322331333132322331323133313232212221   >>    B3311331313231311331322331333132333133313132233133313232233132313331323221222   <<    B33113313132313113313223313331323331333131322331333132322331323133313232212223   >>      B33113313132313113313223313331323331333131322331333132322331323133313232212222   >>