C3132121111133313233121111331333133313331333133313331333133313113313231323211   >>    C313212111113331323312111133133313331333133313331333133313331311331323132321   <<    C3132121111133313233121111331333133313331333133313331333133313113313231323213   >>      C3132121111133313233121111331333133313331333133313331333133313113313231323212   >>