B33113313132313113313223313331323133313221211331333133313332231211   >>    B3311331313231311331322331333132313331322121133133313331333223121   <<    B33113313132313113313223313331323133313221211331333133313332231213   >>      B33113313132313113313223313331323133313221211331333133313332231212   >>