C3132121111133313233121111331333133313331333133313331333133313331311212133121   >>    C313212111113331323312111133133313331333133313331333133313331333131121213312   <<    C3132121111133313233121111331333133313331333133313331333133313331311212133123   >>      C3132121111133313233121111331333133313331333133313331333133313331311212133122   >>