B3311331313231311331322331333132333133313231332113313331333133313331311132211
>>
B331133131323131133132233133313233313331323133211331333133313331333131113221
<<
B3311331313231311331322331333132333133313231332113313331333133313331311132213
>>
B3311331313231311331322331333132333133313231332113313331333133313331311132212
>>