B3311331313231311331322331333131133132333132333133313223313231311211112111
>>
B331133131323131133132233133313113313233313233313331322331323131121111211
<<
B3311331313231311331322331333131133132333132333133313223313231311211112113
>>
B3311331313231311331322331333131133132333132333133313223313231311211112112
>>