C132233133112121111331333133313231333133313231211111333132233321   >>    C13223313311212111133133313331323133313331323121111133313223332   <<    C132233133112121111331333133313231333133313231211111333132233323   >>      C132233133112121111331333133313231333133313231211111333132233322   >>