C132233133112121111331333133313231333132333131211111333132312311   >>    C13223313311212111133133313331323133313233313121111133313231231   <<    C132233133112121111331333133313231333132333131211111333132312313   >>      C132233133112121111331333133313231333132333131211111333132312312   >>