B33113313132313113313223313331323131333131133131133132322331311331322121   >>    B3311331313231311331322331333132313133313113313113313232233131133132212   <<    B33113313132313113313223313331323131333131133131133132322331311331322123   >>      B33113313132313113313223313331323131333131133131133132322331311331322122   >>