C1111121111331311211331333133313331333131232212111133132213111121   >>    C111112111133131121133133313331333133313123221211113313221311112   <<    C1111121111331311211331333133313331333131232212111133132213111123   >>      C1111121111331311211331333133313331333131232212111133132213111122   >>