C1111121111331311211331333133313331333132211331211113313221131111   >>    C111112111133131121133133313331333133313221133121111331322113111   <<    C1111121111331311211331333133313331333132211331211113313221131113   >>      C1111121111331311211331333133313331333132211331211113313221131112   >>