B3311331313231311331322331333131133132311233132313331333132311211332212111
>>
B331133131323131133132233133313113313231123313231333133313231121133221211
<<
B3311331313231311331322331333131133132311233132313331333132311211332212113
>>
B3311331313231311331322331333131133132311233132313331333132311211332212112
>>