C3132121111133313233121111331333133313331333133313331333133313221321121   >>    C313212111113331323312111133133313331333133313331333133313331322132112   <<    C3132121111133313233121111331333133313331333133313331333133313221321123   >>      C3132121111133313233121111331333133313331333133313331333133313221321122   >>