C3132121111133313233121111331333133313331333133313331333133112211321   >>    C313212111113331323312111133133313331333133313331333133313311221132   <<    C3132121111133313233121111331333133313331333133313331333133112211323   >>      C3132121111133313233121111331333133313331333133313331333133112211322   >>