B33113313132313113313223313331323133313221211331333133313331322232131121   >>    B3311331313231311331322331333132313331322121133133313331333132223213112   <<    B33113313132313113313223313331323133313221211331333133313331322232131123   >>      B33113313132313113313223313331323133313221211331333133313331322232131122   >>