C132233133112121111331333133313231333133313231211111333131332121   >>    C13223313311212111133133313331323133313331323121111133313133212   <<    C132233133112121111331333133313231333133313231211111333131332123   >>      C132233133112121111331333133313231333133313231211111333131332122   >>