B3311331313231311331322331333132313233313233313113313132322331323131121111
>>
B331133131323131133132233133313231323331323331311331313232233132313112111
<<
B3311331313231311331322331333132313233313233313113313132322331323131121113
>>
B3311331313231311331322331333132313233313233313113313132322331323131121112
>>