C113211323223313233313231323123121111132313331323121133132313331323233111   >>    C11321132322331323331323132312312111113231333132312113313231333132323311   <<    C113211323223313233313231323123121111132313331323121133132313331323233113   >>      C113211323223313233313231323123121111132313331323121133132313331323233112   >>