B33113313132313113313223313331323133313231333132333131333132322211221   >>    B3311331313231311331322331333132313331323133313233313133313232221122   <<    B33113313132313113313223313331323133313231333132333131333132322211223   >>      B33113313132313113313223313331323133313231333132333131333132322211222   >>