B331133131323131133132233133313233313331323133211331333133313233331211211
>>
B33113313132313113313223313331323331333132313321133133313331323333121121
<<
B331133131323131133132233133313233313331323133211331333133313233331211213
>>
B331133131323131133132233133313233313331323133211331333133313233331211212
>>