C313212111113331323312111133133313331333133313331333133313331331121111332211111   >>    C31321211111333132331211113313331333133313331333133313331333133112111133221111   <<    C313212111113331323312111133133313331333133313331333133313331331121111332211113   >>      C313212111113331323312111133133313331333133313331333133313331331121111332211112   >>