B3311331313231311331322331333132313331322121133133313331333133313222322121
>>
B331133131323131133132233133313231333132212113313331333133313331322232212
<<
B3311331313231311331322331333132313331322121133133313331333133313222322123
>>
B3311331313231311331322331333132313331322121133133313331333133313222322122
>>