B33113313132313113313223313331311331323131333132322331313331323131121121131
>>
B3311331313231311331322331333131133132313133313232233131333132313112112113
<<
B33113313132313113313223313331311331323131333132322331313331323131121121133
>>
B33113313132313113313223313331311331323131333132322331313331323131121121132
>>