C3132121111133313233121111331333133313331333133313331333133313331333232212331   >>    C313212111113331323312111133133313331333133313331333133313331333133323221233   <<    C3132121111133313233121111331333133313331333133313331333133313331333232212333   >>      C3132121111133313233121111331333133313331333133313331333133313331333232212332   >>