B3311331313231311331322331333131133132311233132313331333132322121333121
>>
B331133131323131133132233133313113313231123313231333133313232212133312
<<
B3311331313231311331322331333131133132311233132313331333132322121333123
>>
B3311331313231311331322331333131133132311233132313331333132322121333122
>>