C113211323223313233313231323123121111132313331323121133132313232233321   >>    C11321132322331323331323132312312111113231333132312113313231323223332   <<    C113211323223313233313231323123121111132313331323121133132313232233323   >>      C113211323223313233313231323123121111132313331323121133132313232233322   >>