B3311331313231311331322331333131133132333132333133313223313231311331322121
>>
B331133131323131133132233133313113313233313233313331322331323131133132212
<<
B3311331313231311331322331333131133132333132333133313223313231311331322123
>>
B3311331313231311331322331333131133132333132333133313223313231311331322122
>>