B3311331313231311331322331333131133133313231211331333132313231323221121
>>
B331133131323131133132233133313113313331323121133133313231323132322112
<<
B3311331313231311331322331333131133133313231211331333132313231323221123
>>
B3311331313231311331322331333131133133313231211331333132313231323221122
>>