C3123121111113313121111331333132313331311331322313331333133313221221121   >>    C312312111111331312111133133313231333131133132231333133313331322122112   <<    C3123121111113313121111331333132313331311331322313331333133313221221123   >>      C3123121111113313121111331333132313331311331322313331333133313221221122   >>