B331133131323131133132233133313113313233313233313331322331323133112111121131
>>
B33113313132313113313223313331311331323331323331333132233132313311211112113
<<
B331133131323131133132233133313113313233313233313331322331323133112111121133
>>
B331133131323131133132233133313113313233313233313331322331323133112111121132
>>