B33113313132313113313223313331323131333131133131133132322331323133313112113331
>>
B3311331313231311331322331333132313133313113313113313232233132313331311211333
<<
B33113313132313113313223313331323131333131133131133132322331323133313112113333
>>
B33113313132313113313223313331323131333131133131133132322331323133313112113332
>>