B3311331313231311331322331333131133132311233132313331333132331123231111
>>
B331133131323131133132233133313113313231123313231333133313233112323111
<<
B3311331313231311331322331333131133132311233132313331333132331123231113
>>
B3311331313231311331322331333131133132311233132313331333132331123231112
>>