C111112111133131121133133313331333133313331312111133133313211211111132211   >>    C11111211113313112113313331333133313331333131211113313331321121111113221   <<    C111112111133131121133133313331333133313331312111133133313211211111132213   >>      C111112111133131121133133313331333133313331312111133133313211211111132212   >>