B3311331313231311331322331333132313331322121133133313331333131333132333331221
>>
B331133131323131133132233133313231333132212113313331333133313133313233333122
<<
B3311331313231311331322331333132313331322121133133313331333131333132333331223
>>
B3311331313231311331322331333132313331322121133133313331333131333132333331222
>>