B3311331313231311331322331333131133132311233132313331333132313123231323221211
>>
B331133131323131133132233133313113313231123313231333133313231312323132322121
<<
B3311331313231311331322331333131133132311233132313331333132313123231323221213
>>
B3311331313231311331322331333131133132311233132313331333132313123231323221212
>>