B3311331313231311331322331333131133133313111333133313331313112113312121
>>
B331133131323131133132233133313113313331311133313331333131311211331212
<<
B3311331313231311331322331333131133133313111333133313331313112113312123
>>
B3311331313231311331322331333131133133313111333133313331313112113312122
>>