C111113331333132322331333133313331333133323223313311211111221323133323221   >>    C11111333133313232233133313331333133313332322331331121111122132313332322   <<    C111113331333132322331333133313331333133323223313311211111221323133323223   >>      C111113331333132322331333133313331333133323223313311211111221323133323222   >>