C3132121111133313233121111331333133313331333133313331333133313331331123223221   >>    C313212111113331323312111133133313331333133313331333133313331333133112322322   <<    C3132121111133313233121111331333133313331333133313331333133313331331123223223   >>      C3132121111133313233121111331333133313331333133313331333133313331331123223222   >>