C132233133112121111331333133313231333133313231211111333132213231321   >>    C13223313311212111133133313331323133313331323121111133313221323132   <<    C132233133112121111331333133313231333133313231211111333132213231323   >>      C132233133112121111331333133313231333133313231211111333132213231322   >>