B3311331313231311331322331333132333132313321333132313233313231323132313231211
>>
B331133131323131133132233133313233313231332133313231323331323132313231323121
<<
B3311331313231311331322331333132333132313321333132313233313231323132313231213
>>
B3311331313231311331322331333132333132313321333132313233313231323132313231212
>>