C3132121111133313233121111331333133313331333133313331333133313331333133213131   >>    C313212111113331323312111133133313331333133313331333133313331333133313321313   <<    C3132121111133313233121111331333133313331333133313331333133313331333133213133   >>      C3132121111133313233121111331333133313331333133313331333133313331333133213132   >>