B33113313132313113313223313331323112331313331311221123232332211
>>
B3311331313231311331322331333132311233131333131122112323233221
<<
B33113313132313113313223313331323112331313331311221123232332213
>>
B33113313132313113313223313331323112331313331311221123232332212
>>