B33113313132313113313223313331323133313223313231333133112111112113313222323221   >>    B3311331313231311331322331333132313331322331323133313311211111211331322232322   <<    B33113313132313113313223313331323133313223313231333133112111112113313222323223   >>      B33113313132313113313223313331323133313223313231333133112111112113313222323222   >>