B3311331313231311331322331333132313331323133211331333133313221121
>>
B331133131323131133132233133313231333132313321133133313331322112
<<
B3311331313231311331322331333132313331323133211331333133313221123
>>
B3311331313231311331322331333132313331323133211331333133313221122
>>