C3132121111133313233121111331333133313331333133313331333131133132311212131   >>    C313212111113331323312111133133313331333133313331333133313113313231121213   <<    C3132121111133313233121111331333133313331333133313331333131133132311212133   >>      C3132121111133313233121111331333133313331333133313331333131133132311212132   >>