B33113313132313113313223313331323133313223313231333132313331333133322121121   >>    B3311331313231311331322331333132313331322331323133313231333133313332212112   <<    B33113313132313113313223313331323133313223313231333132313331333133322121123   >>      B33113313132313113313223313331323133313223313231333132313331333133322121122   >>