C313212111113331323312111133133313331333133312121111331331123221131
>>
C31321211111333132331211113313331333133313331212111133133112322113
<<
C313212111113331323312111133133313331333133312121111331331123221133
>>
C313212111113331323312111133133313331333133312121111331331123221132
>>