C113211323223313233313231323123121111132313331323121133132313331323132322311   >>    C11321132322331323331323132312312111113231333132312113313231333132313232231   <<    C113211323223313233313231323123121111132313331323121133132313331323132322313   >>      C113211323223313233313231323123121111132313331323121133132313331323132322312   >>