B3311331313231311331322331333132333133313231332113313331333133313113133112331
>>
B331133131323131133132233133313233313331323133211331333133313331311313311233
<<
B3311331313231311331322331333132333133313231332113313331333133313113133112333
>>
B3311331313231311331322331333132333133313231332113313331333133313113133112332
>>