C132233133112121111331333133313231333133313231211111333132313231   >>    C13223313311212111133133313331323133313331323121111133313231323   <<    C132233133112121111331333133313231333133313231211111333132313233   >>      C132233133112121111331333133313231333133313231211111333132313232   >>