C3132121111133313233121111331333133313331333133313331333121323221   >>    C313212111113331323312111133133313331333133313331333133312132322   <<    C3132121111133313233121111331333133313331333133313331333121323223   >>      C3132121111133313233121111331333133313331333133313331333121323222   >>