C1111121111331311211331333133313331333133313221211113313331333132311223231   >>    C111112111133131121133133313331333133313331322121111331333133313231122323   <<    C1111121111331311211331333133313331333133313221211113313331333132311223233   >>      C1111121111331311211331333133313331333133313221211113313331333132311223232   >>