B3311331313231311331322331333132333133313231332113313331333133313331333233221
>>
B331133131323131133132233133313233313331323133211331333133313331333133323322
<<
B3311331313231311331322331333132333133313231332113313331333133313331333233223
>>
B3311331313231311331322331333132333133313231332113313331333133313331333233222
>>