B3311331313231311331322331333132333132313112331333132333132322331323131331211
>>
B331133131323131133132233133313233313231311233133313233313232233132313133121
<<
B3311331313231311331322331333132333132313112331333132333132322331323131331213
>>
B3311331313231311331322331333132333132313112331333132333132322331323131331212
>>