B3311331313231311331322331333131133133313111333133313331323133112112121
>>
B331133131323131133132233133313113313331311133313331333132313311211212
<<
B3311331313231311331322331333131133133313111333133313331323133112112123
>>
B3311331313231311331322331333131133133313111333133313331323133112112122
>>