B3311331313231311331322331333131133132311233132313331333132322131232323221
>>
B331133131323131133132233133313113313231123313231333133313232213123232322
<<
B3311331313231311331322331333131133132311233132313331333132322131232323223
>>
B3311331313231311331322331333131133132311233132313331333132322131232323222
>>