B33113313132313113313223313331323133313223313231333133313131133131322221   >>    B3311331313231311331322331333132313331322331323133313331313113313132222   <<    B33113313132313113313223313331323133313223313231333133313131133131322223   >>      B33113313132313113313223313331323133313223313231333133313131133131322222   >>