C3123121111113313121111331333133313331333132313331331121111331333132233112321   >>    C312312111111331312111133133313331333133313231333133112111133133313223311232   <<    C3123121111113313121111331333133313331333132313331331121111331333132233112323   >>      C3123121111113313121111331333133313331333132313331331121111331333132233112322   >>