C132233133112121111331333133313231333133313231323221211111133211   >>    C13223313311212111133133313331323133313331323132322121111113321   <<    C132233133112121111331333133313231333133313231323221211111133213   >>      C132233133112121111331333133313231333133313231323221211111133212   >>