B33132212112331323223313211232333132313331322331333133313331312121111111111
>>
B3313221211233132322331321123233313231333132233133313331333131212111111111
<<
B33132212112331323223313211232333132313331322331333133313331312121111111113
>>
B33132212112331323223313211232333132313331322331333133313331312121111111112
>>