B3311331313231311331322331333131133132313231233132313233313231211
>>
B331133131323131133132233133313113313231323123313231323331323121
<<
B3311331313231311331322331333131133132313231233132313233313231213
>>
B3311331313231311331322331333131133132313231233132313233313231212
>>