B33113313132313113313223313331323131333131133131133132322331311212121
>>
B3311331313231311331322331333132313133313113313113313232233131121212
<<
B33113313132313113313223313331323131333131133131133132322331311212123
>>
B33113313132313113313223313331323131333131133131133132322331311212122
>>