C1111121111331311211331333133313331333131232212111113331333132212323231   >>    C111112111133131121133133313331333133313123221211111333133313221232323   <<    C1111121111331311211331333133313331333131232212111113331333132212323233   >>      C1111121111331311211331333133313331333131232212111113331333132212323232   >>