C313212111133131211331333133313331333133311233133313221211111211111121121121
>>
C31321211113313121133133313331333133313331123313331322121111121111112112112
<<
C313212111133131211331333133313331333133311233133313221211111211111121121123
>>
C313212111133131211331333133313331333133311233133313221211111211111121121122
>>