C1132113232233132333132313231231211111323133313231211331323132313232212111   >>    C113211323223313233313231323123121111132313331323121133132313231323221211   <<    C1132113232233132333132313231231211111323133313231211331323132313232212113   >>      C1132113232233132333132313231231211111323133313231211331323132313232212112   >>