C3123121111331312121111331333133313331331121133133313331313213233221   >>    C312312111133131212111133133313331333133112113313331333131321323322   <<    C3123121111331312121111331333133313331331121133133313331313213233223   >>      C3123121111331312121111331333133313331331121133133313331313213233222   >>