C1111133313331323223313331333133313311211111211331311211331322231323311   >>    C111113331333132322331333133313331331121111121133131121133132223132331   <<    C1111133313331323223313331333133313311211111211331311211331322231323313   >>      C1111133313331323223313331333133313311211111211331311211331322231323312   >>