C11321132322331323331323132312312111113231333132312113313231322321   >>    C1132113232233132333132313231231211111323133313231211331323132232   <<    C11321132322331323331323132312312111113231333132312113313231322323   >>      C11321132322331323331323132312312111113231333132312113313231322322   >>