C132233133112121111331333133313231333133313231211113313232233132313131121   >>    C13223313311212111133133313331323133313331323121111331323223313231313112   <<    C132233133112121111331333133313231333133313231211113313232233132313131123   >>      C132233133112121111331333133313231333133313231211113313232233132313131122   >>