B3311331313231311331322331333132313231323132313133313231323133112132211
>>
B331133131323131133132233133313231323132313231313331323132313311213221
<<
B3311331313231311331322331333132313231323132313133313231323133112132213
>>
B3311331313231311331322331333132313231323132313133313231323133112132212
>>