C23221211113313331233133313331312111112111133313331333133313222313221221   >>    C2322121111331333123313331333131211111211113331333133313331322231322122   <<    C23221211113313331233133313331312111112111133313331333133313222313221223   >>      C23221211113313331233133313331312111112111133313331333133313222313221222   >>