C111113331333132322331333133313331333132213331333132233223313112113231   >>    C11111333133313232233133313331333133313221333133313223322331311211323   <<    C111113331333132322331333133313331333132213331333132233223313112113233   >>      C111113331333132322331333133313331333132213331333132233223313112113232   >>