B33113313132313113313223313331323133313232322331333133313113112321   >>    B3311331313231311331322331333132313331323232233133313331311311232   <<    B33113313132313113313223313331323133313232322331333133313113112323   >>      B33113313132313113313223313331323133313232322331333133313113112322   >>