C1111121111331311211331333133313331333133313231333133313331333112333233231   >>    C111112111133131121133133313331333133313331323133313331333133311233323323   <<    C1111121111331311211331333133313331333133313231333133313331333112333233233   >>      C1111121111331311211331333133313331333133313231333133313331333112333233232   >>