C113211323223313233313231323123121111132313331323121133132313231322121121   >>    C11321132322331323331323132312312111113231333132312113313231323132212112   <<    C113211323223313233313231323123121111132313331323121133132313231322121123   >>      C113211323223313233313231323123121111132313331323121133132313231322121122   >>