C312312111111331312111133133313331333133313231323133313331333133313331322311131   >>    C31231211111133131211113313331333133313331323132313331333133313331333132231113   <<    C312312111111331312111133133313331333133313231323133313331333133313331322311133   >>      C312312111111331312111133133313331333133313231323133313331333133313331322311132   >>