C1111121111331311211331333133313331333131232212111113331333133112213331323221   >>    C111112111133131121133133313331333133313123221211111333133313311221333132322   <<    C1111121111331311211331333133313331333131232212111113331333133112213331323223   >>      C1111121111331311211331333133313331333131232212111113331333133112213331323222   >>