C312312111111331312111133133313331333133322331333133313332233313331121131   >>    C31231211111133131211113313331333133313332233133313331333223331333112113   <<    C312312111111331312111133133313331333133322331333133313332233313331121133   >>      C312312111111331312111133133313331333133322331333133313332233313331121132   >>