B331133131323131133132233133313233313331323133211331333133313331333133112233121
>>
B33113313132313113313223313331323331333132313321133133313331333133313311223312
<<
B331133131323131133132233133313233313331323133211331333133313331333133112233123
>>
B331133131323131133132233133313233313331323133211331333133313331333133112233122
>>