C312312111133131212111133133313331333133112113313331333131312111133132321322321   >>    C31231211113313121211113313331333133313311211331333133313131211113313232132232   <<    C312312111133131212111133133313331333133112113313331333131312111133132321322323   >>      C312312111133131212111133133313331333133112113313331333131312111133132321322322   >>