B331133131323131133132233133313231323132333133313121111331333132223322121
>>
B33113313132313113313223313331323132313233313331312111133133313222332212
<<
B331133131323131133132233133313231323132333133313121111331333132223322123
>>
B331133131323131133132233133313231323132333133313121111331333132223322122
>>