B3311331313231311331322331333132333133313231332113313331333132313221121121
>>
B331133131323131133132233133313233313331323133211331333133313231322112112
<<
B3311331313231311331322331333132333133313231332113313331333132313221121123
>>
B3311331313231311331322331333132333133313231332113313331333132313221121122
>>