B33113313132313113313223313331323131333131133131133132313331322123231211
>>
B3311331313231311331322331333132313133313113313113313231333132212323121
<<
B33113313132313113313223313331323131333131133131133132313331322123231213
>>
B33113313132313113313223313331323131333131133131133132313331322123231212
>>