C3132121111133313233121111331333133313331333133313331333133313232213131121   >>    C313212111113331323312111133133313331333133313331333133313331323221313112   <<    C3132121111133313233121111331333133313331333133313331333133313232213131123   >>      C3132121111133313233121111331333133313331333133313331333133313232213131122   >>