C3123121111331133132313331333133313331333112113313232233131333131   >>    C312312111133113313231333133313331333133311211331323223313133313   <<    C3123121111331133132313331333133313331333112113313232233131333133   >>      C3123121111331133132313331333133313331333112113313232233131333132   >>