B3311331313231311331322331333132333133313231332113313331333133313111232321311
>>
B331133131323131133132233133313233313331323133211331333133313331311123232131
<<
B3311331313231311331322331333132333133313231332113313331333133313111232321313
>>
B3311331313231311331322331333132333133313231332113313331333133313111232321312
>>