C313212111113331323312111133133313331333133312121111331331121111132233131   >>    C31321211111333132331211113313331333133313331212111133133112111113223313   <<    C313212111113331323312111133133313331333133312121111331331121111132233133   >>      C313212111113331323312111133133313331333133312121111331331121111132233132   >>