B33113313132313113313223313331323133313223313231333133112131133131232211   >>    B3311331313231311331322331333132313331322331323133313311213113313123221   <<    B33113313132313113313223313331323133313223313231333133112131133131232213   >>      B33113313132313113313223313331323133313223313231333133112131133131232212   >>