C3132121111133313233121111331333133313331333133313331333133313233121111122221   >>    C313212111113331323312111133133313331333133313331333133313331323312111112222   <<    C3132121111133313233121111331333133313331333133313331333133313233121111122223   >>      C3132121111133313233121111331333133313331333133313331333133313233121111122222   >>