C31231211113313121211113313331333133313311211331333131333133322332111311   >>    C3123121111331312121111331333133313331331121133133313133313332233211131   <<    C31231211113313121211113313331333133313311211331333131333133322332111313   >>      C31231211113313121211113313331333133313311211331333131333133322332111312   >>