B3311331313231311331322331333131133133313231211331333132313231311331323221121
>>
B331133131323131133132233133313113313331323121133133313231323131133132322112
<<
B3311331313231311331322331333131133133313231211331333132313231311331323221123
>>
B3311331313231311331322331333131133133313231211331333132313231311331323221122
>>