B3311331313231311331322331333132333133313231332113313331333131133132321111121   >>    B331133131323131133132233133313233313331323133211331333133313113313232111112   <<    B3311331313231311331322331333132333133313231332113313331333131133132321111123   >>      B3311331313231311331322331333132333133313231332113313331333131133132321111122   >>