C1111121111331311211331333133313331333133313221211113313331333132322112113331   >>    C111112111133131121133133313331333133313331322121111331333133313232211211333   <<    C1111121111331311211331333133313331333133313221211113313331333132322112113333   >>      C1111121111331311211331333133313331333133313221211113313331333132322112113332   >>