B3311331313231311331322331333132333132332113313331333132313112111131
>>
B331133131323131133132233133313233313233211331333133313231311211113
<<
B3311331313231311331322331333132333132332113313331333132313112111133
>>
B3311331313231311331322331333132333132332113313331333132313112111132
>>