B3311331313231311331322331333132333132313112331333132333132322331322121311
>>
B331133131323131133132233133313233313231311233133313233313232233132212131
<<
B3311331313231311331322331333132333132313112331333132333132322331322121313
>>
B3311331313231311331322331333132333132313112331333132333132322331322121312
>>