C312312111133131212111133133313331333133112113313331333131213132313331323221   >>    C31231211113313121211113313331333133313311211331333133313121313231333132322   <<    C312312111133131212111133133313331333133112113313331333131213132313331323223   >>      C312312111133131212111133133313331333133112113313331333131213132313331323222   >>