B3311331313231311331322331333132333132313112331333132313232212112111
>>
B331133131323131133132233133313233313231311233133313231323221211211
<<
B3311331313231311331322331333132333132313112331333132313232212112113
>>
B3311331313231311331322331333132333132313112331333132313232212112112
>>