B3311331313231311331322331333131133133313231211331333132313231311331323222221
>>
B331133131323131133132233133313113313331323121133133313231323131133132322222
<<
B3311331313231311331322331333131133133313231211331333132313231311331323222223
>>
B3311331313231311331322331333131133133313231211331333132313231311331323222222
>>