B33113313132313113313223313331323132322331323133223313221323321   >>    B3311331313231311331322331333132313232233132313322331322132332   <<    B33113313132313113313223313331323132322331323133223313221323323   >>      B33113313132313113313223313331323132322331323133223313221323322   >>