B33113313132313113313223313331323133313223313231333133112213211211   >>    B3311331313231311331322331333132313331322331323133313311221321121   <<    B33113313132313113313223313331323133313223313231333133112213211213   >>      B33113313132313113313223313331323133313223313231333133112213211212   >>