C3132121111133313233121111331333133313331333133313331333133313331122233131221   >>    C313212111113331323312111133133313331333133313331333133313331333112223313122   <<    C3132121111133313233121111331333133313331333133313331333133313331122233131223   >>      C3132121111133313233121111331333133313331333133313331333133313331122233131222   >>