C11321132322331323331323132312312111113231333132312113313231323223111   >>    C1132113232233132333132313231231211111323133313231211331323132322311   <<    C11321132322331323331323132312312111113231333132312113313231323223113   >>      C11321132322331323331323132312312111113231333132312113313231323223112   >>