C3132121111133313233121111331333133313331333133313331333132313232233131111   >>    C313212111113331323312111133133313331333133313331333133313231323223313111   <<    C3132121111133313233121111331333133313331333133313331333132313232233131113   >>      C3132121111133313233121111331333133313331333133313331333132313232233131112   >>