C3123121111331312121111331333133313231333132331211113313222321323221   >>    C312312111133131212111133133313331323133313233121111331322232132322   <<    C3123121111331312121111331333133313231333132331211113313222321323223   >>      C3123121111331312121111331333133313231333132331211113313222321323222   >>