C313212111113331323312111133133313331333133313331333133313331333133313232333221   >>    C31321211111333132331211113313331333133313331333133313331333133313331323233322   <<    C313212111113331323312111133133313331333133313331333133313331333133313232333223   >>      C313212111113331323312111133133313331333133313331333133313331333133313232333222   >>