C31231211113313121211113313331333132313331323312111133132213133221   >>    C3123121111331312121111331333133313231333132331211113313221313322   <<    C31231211113313121211113313331333132313331323312111133132213133223   >>      C31231211113313121211113313331333132313331323312111133132213133222   >>