B33113313132313113313223313331323133313223313231333133313331322132213121   >>    B3311331313231311331322331333132313331322331323133313331333132213221312   <<    B33113313132313113313223313331323133313223313231333133313331322132213123   >>      B33113313132313113313223313331323133313223313231333133313331322132213122   >>