C132233133112121111331333133313231333133313231211113313231123322321   >>    C13223313311212111133133313331323133313331323121111331323112332232   <<    C132233133112121111331333133313231333133313231211113313231123322323   >>      C132233133112121111331333133313231333133313231211113313231123322322   >>