B3311331313231311331322331333132333132332113313331333132313232111111   >>    B331133131323131133132233133313233313233211331333133313231323211111   <<    B3311331313231311331322331333132333132332113313331333132313232111113   >>      B3311331313231311331322331333132333132332113313331333132313232111112   >>