B331133131323131133132233133313233313331323133211331333133313222322131
>>
B33113313132313113313223313331323331333132313321133133313331322232213
<<
B331133131323131133132233133313233313331323133211331333133313222322133
>>
B331133131323131133132233133313233313331323133211331333133313222322132
>>