B33132212112331323223313221232313113313233313331333132313233321   >>    B3313221211233132322331322123231311331323331333133313231323332   <<    B33132212112331323223313221232313113313233313331333132313233323   >>      B33132212112331323223313221232313113313233313331333132313233322   >>