C313212111113331323312111133133313331333133313331333133313331323221211111221231   >>    C31321211111333132331211113313331333133313331333133313331333132322121111122123   <<    C313212111113331323312111133133313331333133313331333133313331323221211111221233   >>      C313212111113331323312111133133313331333133313331333133313331323221211111221232   >>